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Samuel P. Langley Collection

Creator:
Langley, S. P. (Samuel Pierpont), 1834-1906  Search this
Names:
Chanute, Octave, 1832-1910  Search this
Herring, Augustus Moore, 1867-1926  Search this
Huffaker, Edward C., 1856-1937  Search this
Langley, S. P. (Samuel Pierpont), 1834-1906  Search this
Manly, Charles Matthews, 1876-1927  Search this
Watkins, J. Elfreth (John Elfreth), 1852-1903  Search this
Extent:
24.28 Cubic feet (64 boxes)
Type:
Collection descriptions
Archival materials
Correspondence
Drawings
Manuscripts
Photographs
Publications
Date:
1891-1914
bulk 1891-1900
Summary:
This collection includes information about Samuel P. Langley and his colleagues, as well as documentation of Langley's work. The collection includes biographies of Langley and his assistant Charles Manly, newspaper clippings, correspondence, manuscripts regarding Langley's aircraft, photographs and drawings, work requisitions for the Aerodromes, a sketchbook, specifications and measurements for Langley's experiments, the Langley Memoirs on Mechanical Flight and the Langley "Waste Books."
Scope and Contents:
This collection includes information about Langley and his colleagues, as well as documentation of Langley's work. The collection includes the Aerodrome project waste books, biographies of Langley and his assistant Charles Manly, newspaper clippings, correspondence), manuscripts regarding Langley's aircraft, photographs and drawings, work requisitions for staff labor on the project, a sketchbook, specifications and measurements for Langley's experiments, and manuscript material from the Langley Memoir on Mechanical Flight.

The National Air and Space Museum's Samuel P. Langley Collection was drawn from several sources in the Smithsonian Institution. Parts of the collection were separated at undetermined dates from the institutional records of Langley's time as Secretary (now held by the Smithsonian Institution Archives [SIA], as the Samuel P. Langley Papers, 1867-1906, Record Unit 7003) for several purposes:

Design papers and notes from Langley's aerodrome project were used for restoring the Langley Aerodromes for exhibits beginning in 1917.

Correspondence from the papers was consulted when controversies arose between the Wright brothers and the Smithsonian, and over credit for the design of the motor built by Stephen M. Balzer and extensively modified by Charles Manly, which was used on Aerodrome A.

Technical drawings of the Aerodromes were drawn from the SIA in the 1970s for conservation purposes.

Other material was added to the collection over the years:

Correspondence, memoranda, notes and label scripts from Langley exhibits from 1913 through the 1960s.

Design notes and work records from Langley's workshop were stored with the Aerodromes in the Museum's collections, and were later transferred to the Archives Division.

Biographical material on Langley, and correspondence to the Museum on Langley and the Aerodromes.

Material from the foundation of the Langley Aerodynamic Laboratory (now NASA's Langley Research Center) in 1913.

In addition to Record Unit 7003, researchers may wish to consult these Smithsonian Institution Archives' collections:

Record Unit 31, Office of the Secretary, Correspondence, 1866-1906, with related records to 1927.

Record Unit 34, Office of the Secretary, Correspondence, 1887-1907

Record Unit 7268, J. Elfreth Watkins Collection, 1869, 1881-1903, 1953, 1966 and undated.

The Archives Division of the National Air and Space Museum holds the Charles M. Manly Papers, (Acc. 1999-0004). Manly was Samuel Langley's assistant in the Aerodrome project from 1898 to 1903.

Note: The digital images in this finding aid were repurposed from scans made by an outside contractor for a commercial product and may show irregular cropping and orientation in addition to color variations resulting from damage to and deterioration of the original objects.
Arrangement:
The Samuel P. Langley Collection is arranged in the following series:

Series 1 - Waste Books: Langley and his staff used waste books - bound ledgers - to keep records of their work on the aeronautical projects, which Langley inspected frequently.

Series 2 - Scrapbooks: A collection of 18 scrapbooks containing newspaper and magazine clippings on "Aerial Navigation". Projects by Langley, Maxim, Lilienthal and many obscure aeronautical experimenters are included. Other clippings are included in Series VIII and XI.

Series 3 - Aeronautical Research and the Aerodromes: This series consists of notes, data, drawings and memoranda from Langley's aeronautical research at both the Smithsonian and the Allegheny Observatory. Subseries 2 contains material used in various Smithsonian exhibitions of the Langley Aerodromes. Some additional material is included in Series 11.

Subseries 3.1 - Design and Construction

Subseries 3.2 - Langley Aerodrome Exhibits

Series 4 - Correspondence: Letters and memoranda written by and sent to S. P. Langley and his assistants, C. M. Manly and J. E. Watkins. Additional correspondence is included in Series 11.

Subseries 4.1 - S. P. Langley Correspondence

Subseries 4.2 - S. P. Langley's Assistants' Correspondence

Subseries 3 - Miscellaneous Correspondence

Series 5 - Manuscripts, Papers, Articles: Manuscripts, published articles and papers by Langley and others. See also Series 11.

Subseries 5.1 - Works by S. P. Langley

Subseries 5.2 - Miscellaneous Manuscripts, Articles, and Notes

Series 6 - Photographs: Photographs, mainly of Langley's Aerodromes. Additional photographs are included with Series 11.

Series 7 - Trade Catalogues and Ephemera: Trade catalogues and price lists from various suppliers and dealers found stored with the "Aerodrome A" at the Museum's Paul E. Garber Facility in Suitland, Maryland.

Series 8 - Miscellaneous Files

Series 9 - Flat Boxes and Oversized Material: Ledgers, drawings, test data, publications

Series 10 - Shorthand Diaries: A collection of 37 notebooks containing notes in an unidentified shorthand system, dating from 1898 to 1902, with 8 notebooks bearing partial dates or undated.

Series 11 - Additional Material: After the publication of the Langley Collection finding aid, two additional boxes of correspondence, manuscript material, drawings and photographs were found in the Museum's rare book room, the Ramsey Room. This material has been included as a separate series.
Biographical / Historical:
Samuel Pierpont Langley (1834-1906) was an astronomer, a pioneer of aeronautical research, and Secretary of the Smithsonian Institution (1887-1906). As a young man, Langley studied civil engineering and pursued this as a career until 1864, when his interest in astronomy led him to positions at the Harvard Observatory, the Naval Academy, the Western University of Pennsylvania and the Allegheny Observatory in Pittsburgh. In 1887, Langley was named Secretary of the Smithsonian, and spent the following years in the research, construction and tests of flying machines. On May 6, 1896, his unpiloted Aerodrome No. 5, powered by a 1hp steam engine, flew nearly three quarters of a mile. This flight surpassed by more than ten times the best efforts of any predecessor. In 1898, at the request of the Army's Board of Ordnance and Fortifications, Langley started work on another design - the Great Aerodrome, also known as Aerodrome A. However, two attempts at launching the aircraft in 1903 failed. In addition to his scientific experiments, Langley's writings include Experiments in Aerodynamics and The Internal Work of the Wind, and the Langley Memoir on Mechanical Flight, published posthumously. Samuel P. Langley died in Aiken, South Carolina, on February 27, 1906.

A Timeline of Early Aeronautical Milestones and Samuel P. Langley's Life and Career

August 22, 1834 -- Samuel Pierpont Langley born to Samuel Langley and Mary Sumner Williams Langley in Roxbury Massachusetts.

1843 -- William Henson and John Stringfellow publish their design for the "Aeriel", a steam-powered "Aerial Steam Carriage".

1845 -- Langley begins to attend the Boston Latin School.

1847 -- Henson tests a model of his aircraft.

1848 -- Stringfellow and Henson build and test a steam powered model aircraft. It has a wingspan of 10 feet (3.5 meters), and it flies 131 feet (40 meters) before crashing into a wall.

1849 -- Sir George Cayley tests a towed triplane glider. In one test, it flies several yards with a local boy as a passenger.

1851 -- Langley graduates from the Boston High School; begins work as an apprentice with a Boston architect.

circa 1852-1864 -- Langley works for architectural and engineering firms in St. Louis and Chicago.

1853 -- Cayley's coachman flies a glider across Brompton Dale, Yorkshire. The coachman resigns his position after the flight. Cayley conceives the rubber band–powered model airplane. Michel Loup designs a powered twin propeller monoplane with a wheeled undercarriage.

1853-1854 -- L C. Letur tests his parachute-glider design. Letur is killed in a test flight in 1854.

1855 -- Joseph Pline coins the word "aeroplane" to describe a propeller-driven dirigible.

1857 -- Jean-Marie Le Bris, a sea captain inspired by the flight of the albatross, builds a glider he names the "Albatros Artificiel" and makes two short hops, breaking his leg in the second. Félix du Temple, a French naval officer, flies a clockwork model aircraft - the first sustained powered flights by a heavier-than-air machine.

1862 -- Gabriel de la Landelle coins the word "aviation", and later, "aviateur" - aviator.

1864 -- Langley returns to Roxbury. He begins work, with his younger brother John, on a five foot focal length telescope, which they complete over three years.

1864-1865 -- Samuel and John Langley tour Europe.

circa 1865 -- Langley is hired as observatory assistant at the Harvard University Observatory, Cambridge, Massachusetts.

January 1866 -- The Aeronautical Society of Great Britain (later named the Royal Aeronautical Society) is founded.

circa 1866 -- Langley is hired as assistant professor of mathematics at the U.S. Naval Academy, Annapolis, Maryland. Duties include restoring the Academy's astronomical observatory to operation.

1867 -- Langley is named professor of Astronomy and Physics at the Western University of Pennsylvania, Pittsburgh. Duties include directorship of the Allegheny Observatory. His tenure at Allegheny will begin his work at the popularization of science through lectures and writing newspaper and journal articles.

1868 -- Stringfellow builds a model triplane.

1869 -- Langley proposes a system of standard time distribution via the telegraph to railroads and cities. The Pennsylvania Railroad signs on for the service. Langley joins a U.S. Coast Survey expedition to Oakland, Kentucky, to observe the August 7th solar eclipse. He observes later eclipses in 1870, 1878, and 1900.

1870 -- The Allegheny Observatory begins twice-daily time signals to the Pennsylvania Railroad's offices. Other railroads, businesses, and government offices later subscribe to the service. The income from the system aids the operation of the Allegheny Observatory and Langley's research work. Langley travels to Jerez de la Frontera, Spain, to observe a solar eclipse.

1870 -- Alphonse Pénaud designs his rubber-powered "Hélicoptère".

August 18, 1871 -- Pénaud demonstrates his "Planophore", a rubber-powered model, at the Tuileries, Paris. It flies 40 meters (approximately 131 feet) in 11 seconds.

1871 -- Francis Wenham designs the first wind tunnel; it is built by John Browning.

1873 -- Langley makes a detailed drawing of a sun spot. Famous for its accuracy of detail, the drawing is widely reproduced for many years.

1876 -- Pénaud and Paul Gauchot patent a design for an inherently stable steam-powered full-sized airplane.

1878 -- Bishop Milton Wright presents a toy based on the Pénaud "Hélicoptère" to two of his sons – eleven year old Wilbur and seven year old Orville.

1879-1880 -- Langley designs and builds his bolometer for the measurement of the energy of incident electromagnetic radiation.

1879 -- Victor Tatin designs and flies a compressed air-powered seven foot long model.

1881 -- Langley organizes an expedition to Mount Whitney in California's Sierra Nevada Range for solar observations and other scientific studies.

1883 -- Alexandre Goupil builds a bird-shaped unpowered airplane that briefly lifts off in a tethered test while carrying two men.

1884 -- The U.S. Signal Service publishes Langley's report on the Mount Whitney expedition.

1886 -- Langley's interest in aeronautics is kindled by a paper on bird flight by a Mr. Lancaster at a meeting of the American Association for the Advancement of Science in Buffalo, New York. Lancaster also describes making small flying models which he describes as "floating planes" and "effigies".

1887 -- Langley designs and builds his large whirling table at the Allegheny Observatory for the study of aerodynamics; begins aeronautical experimental work. He coins the term Aerodromics for the art of building flying machines from the Greek aerodromoi.

January 12, 1887 -- Langley is appointed Assistant Secretary of the Smithsonian Institution.

April 1887 -- Langley begins to build small Pénaud type rubber-powered flying models.

November 18, 1887 -- Langley is named Secretary of the Smithsonian Institution on the death of Secretary Spencer F. Baird. He retains the directorship of the Allegheny Observatory, dividing his time between Washington and Allegheny until 1891 when James E. Keeler becomes director of the observatory.

1887 -- Hiram Maxim, an American living in Great Britain and inventor of the Maxim machine gun, begins work on a large powered biplane test rig.

1888 -- Langley publishes The New Astronomy.

1889 -- The National Zoological Park is founded, due to Langley's support. A site in Washington's Rock Creek Park is selected by Langley and Frederick Law Olmstead. The Zoo becomes part of the Smithsonian in 1890, and is opened in 1891.

1890 -- Langley founds the Smithsonian Astrophysical Observatory; its first home is in a wooden building behind the Smithsonian Castle. In 1955, SAO moves to Cambridge, Massachusetts.

1890 -- Clément Ader completes his "Éole', a full-sized airplane. It has a fifty foot wing span, and is equipped with a lightweight 20-horsepower steam engine of Ader's design and a four-bladed propeller. At Armainvilliers on October 9, the Éole lifts off the ground to an altitude of approximately one foot and skims the ground for about 50 meters (165 feet). Ader later claims a second flight of 100 meters in September, 1891; there is no evidence for the second flight.

March 28, 1891 -- First successful flight of one of Langley's rubber-powered models.

1891 -- Work begins on Langley's "Aerodrome No. 0", powered by two small steam engines. Construction is halted before the aircraft is completed.

1891 -- Otto Lilienthal, a German mechanical engineer, begins a program of flight research using piloted hang gliders of his own design. He and his brother Gustav will go on to design and build 18 gliders over the next five years, making approximately 2,000 flights. Langley's Experiments in Aerodynamics is published by the Smithsonian.

1892 -- Langley's "Aerodrome No. 1" designed and built. Not flown.

1892-1893 -- "Aerodrome No. 2" and "Aerodrome No. 3" are designed and built. "No. 3" is powered by compressed air. Neither is flown.

1893 -- A 38 foot scow is converted into a houseboat with a workshop and launch platform for Aerodrome testing. In May, it is towed down the Potomac to a point near Quantico, Virginia, off Chopawamsic Island. In November, "Aerodrome No. 4" is taken to the houseboat for testing.

November 20, 1893 -- Test flight of "Aerodrome No. 4" - it falls in the water.

December 7, 1893 -- Second flight of "Aerodrome No. 4" – it falls in the water.

July 31, 1894 -- Maxim's large test rig rises briefly from its support rails during a test run.

August 1-4, 1894 -- Octave Chanute and Albert Zahm sponsor the Conference on Aerial Navigation in Chicago, bringing together an international assembly of aeronautical researchers.

October 1894 -- Test flight of modified "Aerodrome No. 4", using improved catapult. Aircraft falls in the water. "Aerodrome No. 5", with a one horsepower gasoline burning steam engine, is also tested. It flies 35 feet for three seconds before stalling and falling into the river.

November 12, 1894 -- Lawrence Hargrave, an Australian researcher, links together four of his box kites, adds a simple seat, and flies to an altitude of 16 feet in the device.

1894 -- Chanute publishes his book Progress in Flying Machines.

1895 -- James Means publishes the first of his three >Aeronautical Annuals.

May 6, 1896 -- "Aerodrome No. 6" is launched from the houseboat's catapult; the left wing collapses and the aircraft lands in the water. Aerodrome No. 5 is launched at 3:05 PM and flies about half a mile in a minute and a half at an altitude reaching 100 feet – the first sustained flight of a heavier than air apparatus. In a second flight at 5:10, Aerodrome No. 5 makes three circles, climbs to about 60 feet, and is airborne for one minute and thirty-one seconds. The flight is witnessed and photographed by Alexander Graham Bell (box 45, folder 9).

June 1896 -- Chanute and Augustus Herring establish a camp at the Lake Michigan dunes near Miller, Indiana to conduct flight tests on a number of gliders – several of Chanute's designs, including his multiwing "Katydid", Herring's copy of a Lilienthal design, and a Chanute-Herring triplane collaboration.

August 9, 1896 -- Lilienthal's glider stalls and crashes from an altitude of about 50 feet. Lilienthal dies of his injuries the next morning. His last words are "Opfer müssen gebracht warden" - "Sacrifices must be made".

November 28, 1896 -- "Aerodrome No. 6" is flown from the houseboat – it flies 4800 feet in one minute and forty-five seconds.

July 1897 -- Ader completes his "Avion III", also known as the "Aquilon". It features two 20-horsepower steam engines and twin tractor propellers, and a wingspan of nearly 56 feet. The aircraft weighs approximately 880 pounds. Ader attempts a flight on October 14; "Avion III" is unable to rise off the ground.

March 25, 1898 -- Assistant Secretary of the Navy Theodore Roosevelt suggests the military use of the Langley "Aerodrome" to Navy Secretary John D. Long (box 40, folder 10).

April 6, 1898 -- Langley proposes a scaled-up version of the "Aerodrome" for military use to a joint Army-Navy board meeting at the Smithsonian. He requests $50,000 to build a large, piloted version of his earlier designs. The proposed aircraft is called the "Great Aerodrome", or "Aerodrome A".

June 1898 -- Charles M. Manly, a Cornell University engineering student, is hired as Langley's "assistant in charge of experiments".

October 1898 -- Major work begins on the "Great Aerodrome", also known as "Aerodrome A".

December 12, 1898 -- A contract is signed between Langley and Stephen M. Balzer of New York. Balzer is to design and build a 12 horsepower motor to power the "Aerodrome". On the same date, Langley writes to the U.S. Army Board of Ordnance and Fortifications, agreeing to design and build a flying machine. He estimates a cost of $50,000 to build his machine.

May 1899 -- A new, larger houseboat equipped with a turntable and catapult is delivered in Washington.

May 30, 1899 -- Wilbur Wright sends a letter to Langley at the Smithsonian, requesting material pertaining to aeronautical research. He says in his letter that he wishes "… to begin a systematic study of the subject in preparation for practical work." Assistant Secretary of the Smithsonian Richard Rathbun directs his staff to assemble a package of papers, including Langley's Story of Experiments in Mechanical Flight and Experiments in Aerodynamics. The Wright brothers receive the package three weeks later. They later credit the material they received from the Smithsonian with giving them a "good understanding of the nature of the problem of flying."

June 7 - August 3, 1899 -- Additional flights of "Aerodrome No. 5" and "No. 6" are made from the houseboat at Chopawamsic Island.

July 1899 -- Langley visits Ader's workshop in Paris.

July 1899 -- The Wright Brothers build a five foot biplane kite.

October 2, 1899 -- Percy Pilcher dies of his injury after his Lilienthal-type glider breaks up in flight.

May 1900 -- Langley and the staff of the Smithsonian Astrophysical Observatory observe the May 28 solar eclipse in Wadesboro, North Carolina.

August 1900 -- The Wrights begin to build their first glider, a biplane design with a 17 foot wingspan.

September 1900 -- The Wrights arrive at Kitty Hawk, North Carolina, to test their glider on the dunes. They begin test flights in early October.

July 1901 -- The Wrights return to Kitty Hawk with a new biplane glider.

August 1901 -- Langley creates the Children's Room, with exhibits designed to inspire interest in science, technology and natural history, in the Smithsonian Castle.

Autumn 1901 -- The Wright brothers return to Dayton and begin a program to develop their own fundamental aeronautical data, building a wind tunnel and a test rig mounted on a bicycle.

September 19, 1902 -- The Wrights complete assembly of their new glider and begin flights the same afternoon. They continue the flights through the autumn. After an early crash, continual modifications improve the design. Wilbur writes to his father, "We now believe the flying problem is really nearing its solution." On their return to Dayton, the brothers file a patent on their design.

July 14, 1903 -- The houseboat is towed down the Potomac to a spot opposite Widewater, Virginia, about 40 miles from Washington.

August 8, 1903 -- Langley's "Quarter-Size Aerodrome" makes a successful flight from the houseboat.

September 3, 1903 -- Work is begun on erecting the "Great Aerodrome" on the houseboat catapult.

October 7, 1903 -- The "Great Aerodrome", piloted by Manly, is launched by the houseboat catapult at 12:20 PM. The aircraft is snagged by the catapult launch car, and drops into the river. Langley was in Washington, and does not witness the attempt. The wreckage of the "Aerodrome" is salvaged.

December 8, 1903 -- The refurbished "Great Aerodrome" is readied for flight on the houseboat, now moored below Washington at Arsenal Point at the confluence of the Potomac and Anacostia rivers. At 4:45 PM, the aircraft, with Manly at the controls, is launched. The tail assembly drags along the launch track, and the "Aerodrome's" tail begins to collapse. The "Aerodrome" drops into the river. Manly is briefly trapped by the wreckage, but cuts himself free and is rescued. In the aftermath of the crash, Langley is ridiculed in the press. Though the Army withdraws its support, Langley receives offers of financial support from businessmen to continue his aeronautical work. He politely refuses these offers and ends his aeronautical activities.

December 17, 1903 -- The Wright brothers make four flights at Kitty Hawk, North Carolina. The first flight covered a distance of 120 feet and lasted 12 seconds; in the fourth flight, the "Flyer" traveled 852 feet in 59 seconds.

June 1905 -- The Smithsonian's accountant, W. W. Karr, is accused of embezzling Institutional funds. He is later convicted and imprisoned. Langley holds himself responsible for the loss, and thereafter refuses to accept his salary.

November 1905 -- Langley suffers a stroke.

February 1906 -- Langley moves to Aiken, South Carolina to convalesce.

February 27, 1906 -- After suffering another stroke, Langley dies.

March 3, 1906 -- Samuel Pierpont Langley is buried in Forest Hill Cemetery, Boston.

May-October 1914 -- The "Great Aerodrome" is refurbished and is tested on Lake Keuka, Hammondsport, New York; the tests are conducted by Glenn Curtiss. Using the Manly-Balzer motor and mounted on pontoons instead of using a catapult launch, the "Aerodrome" makes several short flights, the longest lasting about five seconds. Later a Curtiss 80-hp engine is substituted for the Manly-Balzer motor and a flight of about 3,000 feet is made on September 17. The Smithsonian Institution later displays the "Aerodrome" with an exhibit label that reads "The first man-carrying aeroplane in the history of the world capable of sustained free flight." This claim causes a rift between the Institution and Orville Wright (Wilber Wright had died in 1912) that is not fully mended until 1942. The Wright 1903 "Flyer" is presented to the Smithsonian Institution on December 17, 1948. Today, the "Flyer" is on exhibit in the Milestones of Flight Gallery of the National Air and Space Museum's Mall Building; Samuel Langley's "Great Aerodrome" is displayed at the Museum's Steven F. Udvar-Hazy Center in Chantilly, Virginia.
The Smithsonian Aeronautical Staff:
Langley's staff engaged in his aeronautical work as listed in waste books, drawings and correspondence:

The Smithsonian Aeronautical Staff

F. C. Bache -- Laborer with the U.S. Fish Commission, then located at the Smithsonian.

Carl Barus -- Formerly of the U.S. Geological Survey and the Weather Bureau. Hired in 1893 as a physicist; acted as the liaison between Langley and the Aerodrome project staff. Part of the crew on the houseboat.

Louville Eugene Emerson -- Laborer.

George L. Fowler -- An engineer, Fowler was hired by Langley to help design an engine for the Aerodromes.

William Gaertner -- Instrument maker.

Heed, Jr. -- Name found in a shorthand diary dated 1899 - presumably, a Smithsonian secretary or assistant.

Augustus Moore Herring -- An independent aeronautical experimenter and skilled designer and pilot of gliders; hired by Octave Chanute in 1894 and by Langley as chief assistant in 1895. Herring resigned (or was dismissed) in November 1895 and resumed work with Chanute. In 1908, he competed with the Wrights for the Army Flyer contract, but did not complete a finished aircraft.

Edward Chalmers Huffaker -- An engineer and aeronautical experimenter; built gliders based on the observation of bird flight; had delivered a paper at the International Conference on Aerial Navigation in Chicago, 1893. Recommended by Chanute, Huffaker was hired by Langley in December, 1894. He resigned from the Smithsonian in 1898 and went to work for Chanute.

L. C. Maltby -- Machinist, 1891-1899; assisted in motor design and oversaw the fabrications of the metalwork for the Aerodromes. Part of the crew on the houseboat.

Charles Matthews Manly -- Graduate of Cornell University (1896). Hired by Langley and placed in charge of construction of the Great Aerodrome in 1898. Piloted the Great Aerodrome on its two launch attempts, 1903. Manly resigned from the Smithsonian in 1905. He served as a consulting aviation engineer for different government agencies and corporations, including the British War Office, 1915; the Curtiss Aeroplane and Motor Corporation 1915-1919 (from 1919-1920 as the assistant general manger); and as a member of the US Commission to the International Aircraft Conference, London, 1918. Manly also completed and edited Langley's Memoir on Mechanical Flight which was published by the Smithsonian in 1911.

Charles B. Nichols -- Smithsonian cabinet maker (1890-1893), in charge of construction of the small rubber powered models.

R. Luther Reed -- Smithsonian carpenter foreman (1880-1904). In charge of construction of Aerodromes No. 5 and 6 following between Herring's departure and Manly's arrival. Worked on design of the Great Aerodrome and the second houseboat. Part of the crew on the houseboat.

B.L. Rhinehart -- Smithsonian mechanic. Built a small steam motor for Aerodrome No. 0 in 1891. Performed design work on an experimental gasoline motor, c.1896.

William L. Speiden -- Draftsman or designer (1893-1899).

John Elfrith Watkins -- Assistant engineer of construction with the Pennsylvania Railroad. Joined the Smithsonian as an honorary curator in the Steam Transportation section in 1885. Named curator of Transportation in 1887. He rejoined the Pennsylvania Railroad in 1892, and later worked at the Field Columbian Museum as director of Industrial Arts. Watkins returned to the Smithsonian in 1895 as the National Museum's curator of Technological Collections. In 1898, he was named curator of the Division of Technology. Watkins also served the Smithsonian as Engineer of Property, 1888-1889, and Chief of Buildings and Superintendence, 1896-1903. Watkins carried on much of the Aerodrome project's correspondence, and was the project's expert in steam engine design.

George B. Wells -- Smithsonian messenger (1894-1903). Most of the collection's shorthand notebooks (Series X) bear his name; possibly, he acted as Langley's stenographer.

William Crawford Winlock -- Curator, Bureau of International Exchange (1889-1899).
Related Materials:
Parts of the collection were separated at undetermined dates from the institutional records of Samuel Langley's time as Secretary (now held by the Smithsonian Institution Archives [SIA], as the Samuel P. Langley Papers, 1867-1906, Record Unit 7003).

In addition to Record Unit 7003, researchers may wish to consult these Smithsonian Institution Archives' collections:

Record Unit 31, Office of the Secretary, Correspondence, 1866-1906, with related records to 1927.

Record Unit 34, Office of the Secretary, Correspondence, 1887-1907

Record Unit 7268, J. Elfreth Watkins Collection, 1869, 1881-1903, 1953, 1966 and undated.

The Archives Division of the National Air and Space Museum holds the Charles M. Manly Papers, (Acc. 1999-0004). Manly was Samuel Langley's assistant in the Aerodrome project from 1898 to 1903.

Langley Technical Files: The Archives Division's technical files are housed in the Archives-Library reading room of the Museum's Steven F. Udvar-Hazy Center. Material on Langley and his Aerodromes are housed in folders in the technical files Aircraft Series and in the Biographies Series. Because material from the Samuel P. Langley Collection is thought to have been transferred into the Technical Files, these file headings are included here. In the listings, "Images Available" refers to digital image files available through the Archives Division's image database; these images may be viewed in the Museum's reading rooms.

Langley Technical Files: Aircraft Series Technical Files

Langley (Samuel P.), General -- Photos, Images Available. Folder(s): AL-198600-80

Langley (Samuel P.), General, NASM -- Photos, Photo Dupes. Folder(s): AL-198601-80, AL-198601-99

Langley (Samuel P.) Aerodrome A (Great Aerodrome, Man-Carrying Aerodrome) -- Documents, Photos, Negatives, Photo Dupes, Images Available. Folder(s): AL-198603-01, AL-198603-80, AL-198603-85, AL-198603-99

Langley (Samuel P.) Aerodrome A, Curtiss 1914 Rebuild -- Documents, Photos, Photo Dupes, Photo Dupes, Photo Dupes, Photo Dupes, Images Available. Folder(s): AL-198605-01, AL-198605-80, AL-198605-96, AL-198605-97, AL-198605-98, AL-198605-99

Langley (Samuel P.) Aerodrome A, NASM -- Documents, Photos, Photo Dupes, Images Available. Folder(s): AL-198607-01, AL-198607-80, AL-198607-99

Langley (Samuel P.) Aerodromes, Numbered, General -- Photos, Photo Dupes. Folder(s): AL-198610-80, AL-198610-99

Langley (Samuel P.) Aerodrome No 0 (1891) -- Photo Dupes, Images Available. Folder(s): AL-198612-99

Langley (Samuel P.) Aerodrome No 1 (1891) -- Images Available.

Langley (Samuel P.) Aerodrome No 2 (1892) -- Images Available.

Langley (Samuel P.) Aerodrome No 3 (1892) -- Images Available.

Langley (Samuel P.) Aerodrome No 4 (1895) -- Images Available.

Langley (Samuel P.) Aerodrome No 5 (1895-96) -- Documents, Photos, Transparencies, Photo Dupes, Photo Dupes, Images Available. Folder(s): AL-198622-01, AL-198622-80, AL-198622-90, AL-198622-98, AL-198622-99

Langley (Samuel P.) Aerodrome No 6 (1895-96) -- Documents, Photos, Photo Dupes, Images Available. Folder(s): AL-198624-01, AL-198624-80, AL-198624-99

Langley (Samuel P.) Clockwork Model -- Photos. Folder(s): AL-198628-80

Langley (Samuel P.) Gliding Model Aerodromes (1895) -- Images Available.

Langley (Samuel P.) Ladder Kite (1896) -- Photos, Photo Dupes, Images Available. Folder(s): AL-198635-80, AL-198635-99

Langley (Samuel P.) Model Aerodromes, General -- Documents, Photos, Photo Dupes, Images available. Folder(s): AL-198640-01, AL-198640-80, AL-198640-99

Langley (Samuel P.) Model Aerodrome No 4 (1895) -- Photo Dupes, Images available. Folder(s): AL-198648-99

Langley (Samuel P.) Model Aerodrome No 11 -- Images available.

Langley (Samuel P.) Model Aerodrome No 13 -- Images available.

Langley (Samuel P.) Model Aerodrome No 14 -- Images available.

Langley (Samuel P.) Model Aerodrome No 15 -- Photo Dupes, Images available. Folder(s): AL-198670-99

Langley (Samuel P.) Model Aerodrome No 19 -- Photos, Images available. Folder(s): AL-198678-80

Langley (Samuel P.) Model Aerodrome No 20 -- Images available.

Langley (Samuel P.) Model Aerodrome No 21 -- Images available.

Langley (Samuel P.) Model Aerodrome No 22 -- Photos, Images available. Folder(s): AL-198684-80

Langley (Samuel P.) Model Aerodrome No 23 -- Photos, Images available. Folder(s): AL-198686-80

Langley (Samuel P.) Model Aerodrome No 24 -- Images available.

Langley (Samuel P.) Model Aerodrome No 25 -- Images available.

Langley (Samuel P.) Model Aerodrome No 26 -- Photo Dupes, Images available. Folder(s): AL-198692-99

Langley (Samuel P.) Model Aerodrome No 27 -- Images available.

Langley (Samuel P.) Model Aerodrome No 28 -- Photos, Images available. Folder(s): AL-198696-80

Langley (Samuel P.) Model Aerodrome No 30 -- Images available.

Langley (Samuel P.) Model Aerodrome No 31 -- Images available.

Langley (Samuel P.) Proposed Man-Carrying Aerodrome (1898-99) -- Documents, Photo Dupes, Images available. Folder(s): AL-198710-01, AL-198710-99

Langley (Samuel P.) "Quarter-Size" Aerodrome (1900-01 -- Documents, Photos, Negatives, Photo Dupes, Images available. Folder(s): AL-198720-01, AL-198720-80, AL-198720-85, AL-198720-99

Langley (Samuel P.) "Rubber-Pull" Model Aerodrome (1895-96) -- Photos, Photo Dupes, Images available. Folder(s): AL-198730-80, AL-198730-99

Langley (Samuel P.) Whirling Arm (1888-90) -- Photos, Photo Dupes, Images available. Folder(s): AL-198740-80, AL-198740-99

Langley Technical Files: Biographies Series Technical Files

Langley, Samuel Pierpont, general -- Documents. Folder(s): CL-094000-01

Langley, Samuel Pierpont (articles by) -- Documents. Folder(s): CL-094000-02

Langley, Samuel Pierpont (articles by/Aero) -- Documents. Folder(s): CL-094000-03

Langley, Samuel Pierpont (articles by/Aero) -- Documents. Folder(s): CL-094000-04

Langley, Samuel Pierpont (articles by/Astro) -- Documents. Folder(s): CL-094000-05

Langley, Samuel Pierpont (articles by/Astro) -- Documents. Folder(s): CL-094000-06

Langley, Samuel Pierpont (articles by/Rocket) -- Documents. Folder(s): CL-094000-08

Langley, Samuel Pierpont (articles by/French) -- Documents. Folder(s): CL-094000-09

Langley, Samuel Pierpont (articles on) -- Documents. Folder(s): CL-094000-10

Langley, Samuel Pierpont (articles on) -- Documents. Folder(s): CL-094000-11

Langley, Samuel Pierpont (articles on) -- Documents. Folder(s): CL-094000-12

Langley, Samuel Pierpont (articles on) -- Documents. Folder(s): CL-094000-13

Langley, Samuel Pierpont (articles on) -- Documents. Folder(s): CL-094000-14

Langley, Samuel Pierpont (Awards and Honors) -- Documents. Folder(s): CL-094000-15

Langley, Samuel Pierpont (Wright Controversy) -- Documents. Folder(s): CL-094000-16

Langley, Samuel Pierpont (Obituaries) -- Documents. Folder(s): CL-094000-17

Langley, Samuel Pierpont -- Photo Dupes. Folder(s): CL-094000-40

Langley, Samuel Pierpont -- Photos. Folder(s): CL-094000-80

Langley, Samuel Pierpont -- Negatives. Folder(s): CL-094000-85

Langley, Samuel Pierpont -- Images available.
Provenance:
Smithsonian generated, transfer, unknown.
Restrictions:
No restrictions on access
Rights:
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permission Requests.
Topic:
Aeronautics  Search this
Aeronautics -- pre-1903  Search this
Aeronautics -- 1903-1916  Search this
Aeronautics -- Records  Search this
Langley Aerodrome Family  Search this
Langley Aerodrome No 5 (1895-96)  Search this
Periodicals  Search this
Genre/Form:
Correspondence
Drawings
Manuscripts
Photographs
Publications
Citation:
Samuel P. Langley Collection, NASM.XXXX.0494, National Air and Space Museum, Smithsonian Institution.
Identifier:
NASM.XXXX.0494
See more items in:
Samuel P. Langley Collection
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-xxxx-0494
Online Media:

Glenn H. Curtiss Collection

Creator:
Curtiss, Glenn Hammond, 1878-1930  Search this
Names:
Aerial Experiment Association  Search this
Curtiss Aeroplane and Motor Company  Search this
Curtiss-Wright Corporation  Search this
Herring-Curtiss Co.  Search this
Bell, Alexander Graham, 1847-1922  Search this
Curtiss, Glenn Hammond, 1878-1930  Search this
Herring, Augustus Moore, 1867-1926  Search this
Extent:
2.7 Cubic feet (6 boxes)
Type:
Collection descriptions
Archival materials
Drawings
Financial records
Date:
1905-1931
bulk 1911-1930
Summary:
This collection consists of documents and memorabilia relating to Curtiss during the years of his active aviation pursuits. The bulk of the material relates to patent suits, including Wright v. Curtiss, Herring v. Curtiss, and Curtiss v. Janin.
Scope and Contents:
This collection consists of the personal papers of Glenn H. Curtiss. These papers relate to his career as an aviation pioneer and aircraft manufacturing business owner. This collection also includes a small amount of personal correspondence. Moreover, materials pertaining to patents filed by Curtiss and the Wright brothers, as well as legal documents and testimony, are found in this collection.
Arrangement:
Series 1: Professional materials

Subseries 1.1: Corporate correspondence

Subseries 1.2: Personal correspondence

Subseries 1.3: Miscellaneous corporate materials

Subseries 1.4: Patent materials

Subseries 1.5: Reports

Subseries 1.6: Photographs

Subseries 1.7: Menus, programs and tributes

Subseries 1.8: Books, journals, newsletters, and miscellaneous materials

Subseries 1.9: Newspaper clippings and articles

Series 2: Legal materials

Subseries 2.1: Curtiss versus Herring

Subseries 2.2: Curtiss versus Wright Brothers

Subseries 2.3: Lena P. Curtiss versus Herring
Biographical/Historical note:
Glenn Hammond Curtiss (1878-1930) is best known as an aviation pioneer and inventor and founder of the Curtiss Aeroplane and Motor Co. Initially a bicycle repairman and designer, by 1902 Curtiss had begun to manufacture motorcycles using a lightweight internal combustion engine of his own design and founded the Curtiss Manufacturing Co. By 1904 Curtiss' engine had been co-opted by Thomas Baldwin for his airship experiments. This activity led to a connection between Curtiss and Alexander Graham Bell and, in 1907, to the foundation of the Aerial Experiment Association. In 1909 Curtiss joined with Augustus M. Herring to form the Herring-Curtiss Co to manufacture powered vehicles, but Herring's unsubstantiated claims to priority over the Wright Brother's aeronautical patents led to the Wright and Curtiss patent suits which continued until the merger of Curtiss Aeroplane and Motor with Wright Aeronautical in 1929. Curtiss and Herring split after the Wright's filed suit and Herring sued Curtiss, claiming that Curtiss had failed to turn his air race winnings over to the company. Despite these, and other, suits, Curtiss continued to advance the cause and technology of aviation, founding the first public flying school (1910) and later a chain of schools across the US, inventing the aileron (1909), the dual-control trainer (1911) and the hydroaeroplane (1911). In 1920 Curtiss retired from active aviation pursuits. After Curtiss died, his wife continued the legal fight on her husband's behalf until a judge decided in Herring's favor (1931).
Provenance:
Glenn H. Curtiss, Jr., gift, 1963, XXXX-0053
Restrictions:
No restrictions on access
Rights:
Permissions Requests
Topic:
Patent suits  Search this
Aeronautics  Search this
Aircraft industry  Search this
Aeronautics, Commercial -- United States  Search this
Genre/Form:
Drawings
Financial records
Citation:
Glenn H. Curtiss Collection, Acc. XXXX-0053, National Air & Space Museum, Smithsonian Inst.
Identifier:
NASM.XXXX.0053
See more items in:
Glenn H. Curtiss Collection
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-xxxx-0053
Online Media:

Curtiss-Wright Corporation Records - Patent Files

Creator:
Curtiss Aeroplane and Motor Company  Search this
Names:
Aerial Experiment Association  Search this
Curtiss-Wright Corporation  Search this
Herring-Curtiss Co.  Search this
Bell, Alexander Graham, 1847-1922  Search this
Curtiss, Glenn Hammond, 1878-1930  Search this
Herring, Augustus Moore, 1867-1926  Search this
Extent:
9 Cubic feet (18 document boxes)
Type:
Collection descriptions
Archival materials
Financial records
Drawings
Date:
1906-1947
Summary:
The years before World War I were spent in patent litigation for aviation pioneers Glenn Curtiss and Orville and Wilbur Wright.
Scope and Contents:
The Curtiss-Wright Corporation Archives - Patent Files collection consists primarily of materials relating to patents issued to and maintained by the Curtiss-Wright Corporation and its subsidiaries from the 1910s to the 1950s, though the bulk of the materials pre-date World War II. The majority of the collection is original patent certificates. Other materials include records of litigation proceedings, correspondence, memoranda, aircraft drawings and blueprints, reports, sales brochures, meeting minutes, and annual reports.
Arrangement:
The collection is arranged in four series: Patents, Patent File Wrappers, Patent Litigation, and Curtiss-Wright Corporation Records. Series I contains original patents and related materials issued or assigned to the Curtiss-Wright Corporation and related organizations. Covering the years between 1911 and 1939, the series is further divided into two subseries: United States Patents and International Patents. Series II consists of file wrappers prepared by the United States Patent Office, containing a complete record of the patent's history. The third series includes materials from Curtiss-Wright's numerous litigation proceedings in defense of its patents. The fourth series contains business records created by the Curtiss-Wright Corporation including photocopies of historic patent and stock documents, division minutes, and reports for the U.S. Navy Department.

Series I - Patents, 1911-1939

Subseries I - United States Patents, 1911-1939

Subseries II - International Patents, 1916-1935

Series II - Patent File Wrappers, 1916-1930

Series III - Patent Litigation, 1916-1947

Series IV - Curtiss-Wright Corporation Records, 1906-1945
Historical Note:
The years before World War I were spent in patent litigation for aviation pioneers Glenn Curtiss and Orville and Wilbur Wright. The Wright brothers claimed wing warping patents and sought to prevent Curtiss and others from manufacturing and selling aircraft and products based on these patents. During World War I, the aircraft manufacturing industry set up the Manufacturer's Aircraft Association, a patent pool in which all participants were allowed to use any patents to build aircraft for the war effort. After the war, Wright Aeronautical Corporation and the Curtiss Aeroplane and Motor Company continued to be major players in the aircraft industry, long after Curtiss and the Wrights ended association with their namesakes.

In 1929, the Curtiss Aeroplane and Motor Company merged with the Wright Aeronautical Corporation to form the Curtiss-Wright Corporation. After the merger, responsibility for engine and propeller manufacture was consolidated under the Wright name while Curtiss concentrated on airplanes. Although the two companies were merged by name and under the direction of a corporate headquarters located in New York City, the separation and specialization of the two divisions continued to cause problems for the company. The election of former Wright personnel to key corporate positions soon led to Wright becoming the dominant division. The Great Depression and the collapse of the market for commercial aviation revealed how reliant the aviation industry was on military production. Sales dropped and Curtiss-Wright was forced to close certain satellite plants and transfer some of their product lines to the St. Louis facility.

During the U.S. military build-up prior to World War II, existing Curtiss-Wright plants were expanded and new aircraft factories were built to meet the growing production demand. The company failed, however, to plan for the future after the war. In 1946, Curtiss-Wright had only two experimental military models at hand for postwar delivery and no assurance of production orders. Wright Aeronautical continued to build engines, but was no longer at the forefront of development. The eventual sale of the Airplane Division to North American included design rights to the former Curtiss-Wright airplanes. The Curtiss-Wright Airplane Division, which manufactured airframes, finally closed down in 1951.

The Curtiss-Wright Corporation still exists in the 21st century, but has become a diversified technology corporation in various markets, including aviation and defense.
Provenance:
Curtiss-Wright Corporation, gift, 1987.
Restrictions:
No restrictions on access.
Rights:
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests.
Topic:
Patent suits  Search this
Aeronautics  Search this
Aeronautics, Commercial -- United States  Search this
Aircraft industry  Search this
Genre/Form:
Financial records
Drawings
Citation:
Curtiss-Wright Corporation Archives - Patent Files, Acc. 1987-0029, National Air and Space Museum, Smithsonian Institution.
Identifier:
NASM.1987.0029
See more items in:
Curtiss-Wright Corporation Records - Patent Files
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-1987-0029
Online Media:

Octave Chanute Papers

Creator:
Chanute, Octave, 1832-1910  Search this
Names:
Avery, William  Search this
Chanute, Octave, 1832-1910  Search this
Herring, Augustus Moore, 1867-1926  Search this
Mouillard, Louis-Pierre, 1834-1897  Search this
Wright, Wilbur, 1867-1912  Search this
Extent:
1.35 Cubic Feet ((3 legal document boxes))
Type:
Archival materials
Collection descriptions
Correspondence
Manuscripts
Date:
1890-1911
Scope and Contents:
The collection consists of two manuscripts by Octave Chanute, "Conditions and Success in the Design of Flying Machines" and "Recent Experiments in Gliding Flight;" and three series of correspondence. The first series, Miscellaneous Correspondence, dates from September 21, 1891 to November 2, 1911. The second series, Correspondence with Louis P. Mouillard, consists of originals and three sub-series of copies, none of which are complete runs. The originals date from April 1891 to May 1897; the first sub-series of copies dates from April 1890 to June 1894; the second sub-series of copies from April 1891 to April 1894; and the third sub-series of copies from July 1891 to July 1894. The last major series is Correspondence with Wilbur Wright, dating from May 1900 to October 1911.
Biographical / Historical:
Octave Chanute, born in Paris in 1832, was one of America's leading civil engineers, specializing in railroads and railroad bridges with the first bridge across the Missouri River to his credit. After developing a reputation as a scientist, writer and speaker, Chanute's interests turned to the possibility of flight. Beginning in 1891 he wrote a series of articles on his research and published them in book form, making him the first aviation historian. In 1896 he designed and constructed four gliders aided by William Avery and Augustus Herring, testing them on the Indiana shores of Lake Michigan. The Chanute team made more than 1,000 manned flights without accident, and with a few modifications his 2-surfaced glider was to become the prototype of all modern biplanes. As he grew older, Chanute turned to writing, speaking and corresponding with inventors to encourage them to continue where he had left off. He died at the age of 78 in 1910, one of the foremost pioneers in aviation.
General:
NASMrev
Provenance:
Octave Chanute Estate, gift, unknown, XXXX-0482, unknown
Restrictions:
No restrictions on access
Rights:
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests
Topic:
Aeronautics  Search this
Gliding and soaring  Search this
Genre/Form:
Correspondence
Manuscripts
Identifier:
NASM.XXXX.0482
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-xxxx-0482

[Augustus M. Herring] [microform]

Subject:
Herring, Augustus Moore 1867-1926  Search this
Physical description:
1 microfilm reel : positive, ill., ports., plans
Type:
Microforms
Place:
United States
Date:
195u
195-?]
Topic:
Inventors  Search this
Airplanes--Design and construction--History  Search this
Flight--History  Search this
Call number:
TL515 .A85 1950
mfm 003365
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_814531

The 100 year glider : the story of a Chanute-Herring biplane glider replica / authored and published by Paul Dees

Author:
Dees, Paul William  Search this
Subject:
Chanute, Octave 1832-1910  Search this
Herring, Augustus Moore 1867-1926  Search this
Physical description:
vii, 140 pages : color illustrations ; 28 cm
Type:
Books
History
Date:
2014
C2014
Topic:
Gliders (Aeronautics)--Design and construction  Search this
Gliders (Aeronautics)--History  Search this
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_1052675

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