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William J. Hammer Collection

Creator:
Hammer, William Joseph, 1858-1934  Search this
Names:
Hudson-Fulton Celebration (1909)  Search this
Curtiss, Glenn Hammond, 1878-1930  Search this
Hammer, William Joseph, 1858-1934  Search this
Wright, Wilbur, 1867-1912  Search this
Extent:
5.66 Cubic feet (13 boxes)
Type:
Collection descriptions
Archival materials
Drawings
Scrapbooks
Publications
Manuscripts
Correspondence
Photographs
Date:
1881-1934
bulk 1905-1915
Summary:
The collection is the result of Major Hammer's passion for amassing material related to aeronautics and technology, and it is arranged into eleven series: articles, clippings, correspondence, drawings and blueprints, leaflets, legislation, minutes, miscellaneous, photographs, programs and publications. Housed in 23 folders, the correspondence is the most comprehensive series, reflecting the original order which grouped the letters into series by topic. Much of the correspondence concerns the planning of the Hudson-Fulton Celebration of 1909, and the involvement of Wilbur Wright and Glenn Curtiss. There is also a scrapbook of black and white photographs providing front and side views of specified airplanes. Each page has 3 photos showing different views of the same plane accompanied by a label with additional information. (See written copy for details. Also, please see information written on 8x11 notebook paper.)
Scope and Contents:
The William J. Hammer Collection reflects Hammer's great interest in aeronautics --a passion he cultivated for several decades by accumulating a veritable storehouse of materials. Hammer's important contributions to the early development of aviation are also evident in this collection.

The collection of materials listed in the finding aid is arranged into two series. The first series includes correspondence, reports, handbooks, drawings, brochures, programs, leaflets, magazines, articles, newspaper clippings and miscellaneous materials. The second series is comprised of photographs of various sizes, scrapbooks, scrapbook pages and miscellaneous materials (the front pages of newspapers, certificates, posters, etc.).

Hammer's papers are arranged both chronologically and alphabetically. Correspondence, drawings, brochures, programs, leaflets, miscellaneous materials, scrapbook pages, articles and newspaper clippings are organized by the former method. Reports, handbooks, magazines and booklets are grouped alphabetically by either title of publication or author. Photographs are arranged either by subject or chronologically.

The reader should note that at some point, Hammer produced a series of large format photographs. These mounted photographs are duplicates. Due to the very fragile condition of these particular images, the photographs and are not available to researchers.

Additional photographic material regarding Hammer Collection photographs can be found in the NASM Archives Images database. An Archives staff member will assist you with research using this database.

Box 13 of the William J. Hammer Collection has not been scanned.

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 William J. Hammer Collection is arranged by content type.
Biographical/Historical note:
William J. Hammer was born in Cressona, Pennsylvania, on February 26, 1858, was an associate of Thomas Edison and an early aviation supporter and enthusiast. He began his career as an assistant to Edward Weston of the Weston Malleable Nickel Company. In 1879, he moved on to a new position as laboratory assistant to Thomas Edison at Menlo Park, New Jersey. His duties ranged from aiding in conducting experiments on such devices as the phonograph, telephone and ore separator to acting as Edison's key person in further developing the incandescent electric lamp. By 1880, he was made chief engineer of the Edison Lamp Works. A year later, Edison dispatched Hammer to London to be chief engineer of the English Electric Light Company. In this position, he helped construct the Holborn Viaduct Central Electric Light Station in London. This was the first central station ever built for incandescent electric lighting. In 1883, Hammer became chief engineer for the German Edison Company. This task included planning and supervising the construction of all Edison plants in Germany. He returned to the United States late in the following year and acted as chief inspector of central stations of the parent Edison Electric Light Company. In 1886-87, Hammer was general manager and chief engineer of the Boston Edison Electric Illuminating Company. In 1888, he worked as an independent engineer and supervised the completion of the then-largest isolated electric lighting plant, located at the Ponce de Leon Hotel in St. Augustine, Florida. During that year, Hammer also was chosen as consulting electrical engineer to the Cincinnati Centennial Exposition. Subsequently, Edison selected him as his personal representative to the Paris Exposition of 1889. This assignment rounded out Hammer's eleven years with Edison. During his time as one of Edison's most trusted and important employees, Hammer devised a number of innovations to the incandescent electric lamp. He designed and built the first electric sign, which spelled out the name "Edison". While in Germany, he invented the automatic motor-driven flashing electric lamp sign. This particular sign flashed the word "Edison" letter by letter and then all at once. At the International Electrical Exhibition, held in Philadelphia in 1884, Hammer also constructed the first flashing column of electric lights.

Upon his return to the U.S. in 1890, Hammer worked as an independent consulting electrical engineer by assisting in a variety of electrical projects, carrying out tests, giving lectures and providing expert testimony in patent disputes. He based this modest enterprise in an office in New York City and continued in this occupation until 1925. His career as an electrical engineering consultant was interrupted by World War I. In June 1918, he was commissioned a major in the U.S. Army. He was assigned to the Inventions Section of the War Plans Division of the General Staff in charge of Aeronautical and Electrical Inventions at the Army War College, Washington, D.C.. By December of that year, he was attached to the Operations Division General Staff at the War Department (Inventions Section). During the war and on into 1919, Hammer also worked for the U.S. Patent Office by identifying any aviation-related patents likely to convey too much information to potential enemies. In conjunction with his War Department duties, he acted as a member of the Advisory Board of Experts affiliated with the Alien Property Commission.

Busy as he was with his private consulting work, Hammer also immersed himself in other scientific activities. He took a particular interest in radium after visiting Pierre and Marie Curie in Paris in 1902. The two discoverers of radium gave him some samples of this substance. Soon after returning to the United States, Hammer experimented with radium. His research yielded numerous useful applications for this material such as radium-luminous powders and paints that were used to coat everything from watch and clock dials to aeronautical instruments, switches and toys. Hammer also advocated the use of radium for cancer and tumor treatment. Beyond his interest in this material, he invented selenium light-sensitive cells and recommended many practical uses for them. He also conducted a great deal of laboratory work on X-rays, ultraviolet and cathode rays, phosphorescence and wireless communications. Accordingly, he lectured and published extensively on many of these fields of research and study.

Hand in hand with his overall interest in science and technology, Hammer had a particular passion for aeronautics. Beyond paying careful attention to the rapid progress made in this field at the turn of the twentieth century, he also played an active role as participant and supporter. He made his first balloon flight over France during the Paris Exposition of 1889. His last lighter-than-air journey took place in 1931 aboard the U.S. Navy dirigible Los Angeles. Moreover, he attended and officiated over many balloon, airship and airplane exhibitions and races. Hammer was a member of the Aero Club of America and a director of the Aeronautical Society. This latter group made the first ever purchase of an airplane in January 1909. He served as expert and secretary of the Aeronautics Committee on the Hudson-Fulton Celebration Commission of 1909 and wrote the contracts for Wilbur Wright and Glenn Curtiss to fly their airplanes for this event. This occasion in New York was important as it marked the first time a large gathering of people in the U.S. witnessed heavier-than-air powered flight. As a friend of the Wright brothers, Hammer testified as an expert witness on their behalf during various patent litigation suits. His contact with aviation pioneers went beyond the Wrights and Curtiss. He also knew and interacted with, among others, Samuel Langley, Alberto Santos-Dumont, Henri Farman and Count Ferdinand von Zeppelin. Even his work with radium had applications for aviation. Hammer developed radium-based luminous compounds and used them on aircraft instruments so pilots could more easily view their cockpits' dials and gauges.

Hammer's last years were filled with serving as Historian General of the Military Order of the World War, as well as participating in many scientific, engineering and aeronautical committees and societies. During this time, he was the recipient of numerous honors and awards, including the Elliott Cresson Gold Medal, John Scott Medal from the Franklin Institute and the Cross of the Legion of Honor from France. Up until his death on March 24, 1934, he also labored in his efforts to organize a vast personal collection of rare and valuable scientific artifacts, photographs and other materials accumulated since his days with Edison. Following Hammer's death, this important collection was left in the care of his daughter Mabel (his wife of twelve years, Alice, having died in 1906). Some years later, International Business Machines (IBM) acquired it. In 1962, IBM donated the William J. Hammer Scientific Collection to the Smithsonian Institution. The bulk of the collection resides with the National Museum of American History's Archives Center. In the mid 1980s, the aeronautical portion of this collection was transferred to the National Air and Space Museum (NASM) Archives.
Provenance:
IBM (Mr. William J. Hammer Collection), gift, 1961, XXXX-0074, not NASM
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 -- Exhibitions  Search this
Aeronautics -- 1903-1916  Search this
Periodicals  Search this
Aeronautics  Search this
Genre/Form:
Drawings
Scrapbooks
Publications
Manuscripts
Correspondence
Photographs
Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
Identifier:
NASM.XXXX.0074
See more items in:
William J. Hammer Collection
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-xxxx-0074
Online Media:

The Miessner Airfone, Emil J. Simon

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 6
Type:
Archival materials
Text
Date:
1919
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.5: Brochures
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref100

America-Europe via North Atlantic Airways over the Armstrong Seadrome System of Commercial Ocean Transit by Airplane, The Armstrong Seadrome Development Company

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 7
Type:
Archival materials
Text
Date:
1927
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.5: Brochures
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref101

It's Easy to Fly, Standard Oil Company of New York

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 8
Type:
Archival materials
Text
Date:
1930
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.5: Brochures
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref102

Air Transport Facts, Aeronautical Chamber of Commerce of America, Inc.

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 9
Type:
Archival materials
Text
Date:
1933
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.5: Brochures
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref103

Seventh Annual Automobile Club of America Show, American Motor Car Manufacturers' Association

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 10
Type:
Archival materials
Text
Date:
December 1-8, 1906
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.6: Programs
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref104

Program, meeting minutes, articles and newspaper clippings, Hudson-Fulton Celebration, New York

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 11
Type:
Archival materials
Text
Date:
1909
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.6: Programs
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref105

International Aviation Tournament, Belmont Park, New York, Aero Club of America

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 12
Type:
Archival materials
Text
Date:
October 22-30, 1910
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.6: Programs
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref106

First Aerial Derby, London Aerodrome, London, England, The Grahame-White Aviation Company, Ltd.

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 13
Type:
Archival materials
Text
Date:
June 8, 1912
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.6: Programs
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref107

Resolution regarding success of the Wright brothers, Aero Club of America

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 14
Type:
Archival materials
Text
Date:
1906
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.7: Leaflets
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref108

How I Became an Aviator, Henri Farman

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 15
Type:
Archival materials
Text
Date:
circa 1909
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.7: Leaflets
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref109

Correspondence

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Type:
Archival materials
Date:
June 1892 - July 1916
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
Identifier:
NASM.XXXX.0074, Subseries 1.1
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref11

Lane's Gliding School, Lane's Gliding School

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 16
Type:
Archival materials
Text
Date:
circa 1909
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.7: Leaflets
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref110

Leaflets and handbooks, The Aeronautical Society

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 17
Type:
Archival materials
Text
Date:
1911-1920
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.7: Leaflets
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref111

A Memorial Against the Use of Armed Airships, International Arbitration League

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 18
Type:
Archival materials
Text
Date:
February 1912
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.7: Leaflets
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref112

Leaflets and brochures, Institute of the Aeronautical Sciences

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 19
Type:
Archival materials
Text
Date:
1933-1934
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.7: Leaflets
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref113

Aeronautic Review, National Aeronautic Association of the U.S.A., vol. 6, no. 8

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 20
Type:
Archival materials
Text
Date:
August 1928
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.8: Magazines
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref114

Aeronautical Journal, Royal Aeronautical Society, vol. 25, no. 132

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 21
Type:
Archival materials
Text
Date:
December 1921
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.8: Magazines
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref115

Aeronautics, Aeronautics Press, vol. 12, no. 67

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 22
Type:
Archival materials
Text
Date:
March 1913
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.8: Magazines
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref116

Flugsport, Flugwesen, vol. 4, no. 6

Collection Creator:
Hammer, William Joseph, 1858-1934  Search this
Container:
Box 3, Folder 23
Type:
Archival materials
Text
Date:
March 1912
Collection Restrictions:
No restrictions on access
Collection 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.
Collection Citation:
William J. Hammer Collection, Acc. NASM.XXXX.0074, National Air and Space Museum, Smithsonian Institution.
See more items in:
William J. Hammer Collection
William J. Hammer Collection / Series 1: Professional materials / 1.8: Magazines
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_component:sova-nasm-xxxx-0074-ref117

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