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Magnetic protection - magnetic separator pulleys Publication P-26

Author:
Cutler Hammer Mfg. Co  Search this
Type:
Books
Trade catalogs
Date:
1930
Ca1930
Topic:
Magnetic instruments  Search this
Call number:
25314
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_234299

Electrical and magnetic instruments / by Kenneth Lyall

Author:
Lyall, Kenneth  Search this
Whipple Museum of the History of Science  Search this
Renaissance Trust (Cambridge, England)  Search this
Area Museums Service for South Eastern England  Search this
Physical description:
1 v. (unpaged) : ill. ; 30 cm
Type:
Catalogs
Date:
1991
C1991
Topic:
Electric apparatus and appliances  Search this
Magnetic instruments--Catalogs  Search this
Scientific apparatus and instruments  Search this
Call number:
QC543 .L98 1991
QC543.L98 1991
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_444270

Joseph Henry's Letter to Edward Sabine (May 12, 1853)

Author:
Henry, Joseph 1797-1878  Search this
Joseph Henry Papers Project  Search this
Subject:
Sabine, Edward Sir 1788-1883  Search this
Physical description:
Number of Images: 3 ; Color: Black and White ; Size: 7w x 10h ; Type of Image: Document ; Medium: Paper
Type:
Document
Paper
Place:
Washington (D.C.)
Date:
May 12, 1853
Topic:
Secretaries  Search this
Expeditions  Search this
Scientific apparatus and instruments  Search this
Geophysics  Search this
Magnetic materials  Search this
Astronomers  Search this
Ornithologists  Search this
Oregon  Search this
Explorers  Search this
Letters  Search this
Scientific expeditions  Search this
Standard number:
SIA2012-0424 and SIA2012-0425 and SIA2012-0426
Restrictions & Rights:
No restrictions
Data Source:
Smithsonian Archives - History Div
EDAN-URL:
edanmdm:siris_sic_13138

Variometer

Maker:
Edelmann, Max Thomas  Search this
Physical Description:
metal (overall material)
Measurements:
overall: 47 1/2 in; 120.65 cm
Object Name:
variometer
Place Made:
Germany: Bavaria, Munich
Subject:
Science & Scientific Instruments  Search this
Science & Scientific Instruments  Search this
Credit Line:
Carnegie Institution of Washington
ID Number:
1983.0039.05
Accession number:
1983.0039
Catalog number:
1983.0039.05
See more items in:
Medicine and Science: Physical Sciences
Measuring & Mapping
Science & Mathematics
Data Source:
National Museum of American History
EDAN-URL:
edanmdm:nmah_1029381

On a new magnetical instrument for the measurement of the inclination and its changes / by the Rev. Humphrey Lloyd ..

Author:
Lloyd, Humphrey 1800-1881  Search this
Former owner:
Société vaudoise des sciences naturelles DSI  Search this
Physical description:
16 p. ; 23 cm
Type:
Books
Date:
1842
Topic:
Magnetic instruments  Search this
Magnetic measurements  Search this
Call number:
QC750.4 .H15 1850
QC750.4.H15 1850
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_329624

[Trade catalogs on experimental science instruments and apparatus : electrical instruments, optical instruments, astronomical and geodaetical instruments, mechanical instruments, hydrodynamical instruments, pneumatical instruments, meteorological instruments, voltaic or galvanic instruments, magnetical instruments, electro-dynamical, thermo- and magneto- electrical instruments, sectional models ... ]

Author:
Watkins and Hill  Search this
Smithsonian Libraries American History Trade Literature Collection DSI  Search this
Physical description:
<2> v. : ill
Type:
Catalogs
Trade catalogs
Date:
1836
1836?-
Topic:
Electric apparatus and appliances  Search this
Scientific apparatus and instruments  Search this
Call number:
48357
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_477815

Sperry Rail Detector Car Collection

Creator:
Sperry Co.  Search this
Names:
Sperry, Elmer A.  Search this
Extent:
0.33 Cubic feet (1 box)
Type:
Archival materials
Collection descriptions
Business records
Date:
1928-1985
Summary:
Business records related to the development of the rail detector cars used by railroads to find hidden flaws, which could cause catastrophic accidents in event of rail failure.
Scope and Contents:
This collection focuses on the development of the rail detector cars used by railroads to find hidden flaws, which could cause catastrophic accidents in event of rail failure. The history of this device, including its conception by Elmer A. Sperry in 1923 utilizing a magnetic field passed over the rail and later improvements including an ultra-sonic system is presented in a publication of the American Society for Nondestructive Testing, Materials Evaluation , March, 1985. A technical handbook prepared for ASNT in 1963 describes the electric current test principles utilized in development of the induction systems, while a SRS brochure (1950) lists advantages of the ultra-sonic method. A bill of materials for "interior lighting, plumbing and detecting equipment for double unit AAR magnetic type detector car" (1946) is also included.

A detailed chronology of Sperry Rail Service (SRS) actions in collaboration with the American Railway Association (ARA) in the early development of the period (1926-1940) lists correspondence, memoranda and reports on the design and manufacture of the first Sperry rail detector cars, delivered to ARA in 1928. Also included are details of the negotiations between SRS and ARA regarding financing of the project and prices of the cars, as well as proposed modifications of the cars. Later Sperry negotiations with individual railroads, including Northern Pacific, Illinois Central, etc. for car purchases also are listed, including legal questions surrounding ARA's participation are listed.
Arrangement:
Collection arranged into one series.
Biographical / Historical:
The Rail Detector Car was developed as a jointly-financed project by the American Railway Association (ARA) and the Sperry Co. beginning in 1926. The ARA contracted with Sperry to manufacture a rail detector car, initializing a method by which the magnetic detection equipment (invented by Elmer A. Sperry in 1923) contacted the rail. This system proved unsatisfactory as dirt, oxide and scale on the rail surface interfered with its operation. Sperry continued work on the project, developing the induction method which utilized electrical induction coils suspended above the rail. Thus equipped, a successful rail detector car was produced and delivered to ARA in 1928. The newly-organized Sperry Rail Service operated additional cars on a contract basis with the railroads.

A new method of rail flow detection using ultra-sonic high frequency sound waves was introduced by Sperry and mounted on rail detector cars in 1949. The ultra-sonic system proved particularly useful in detecting rail joint flaws not found by the induction method. As a result, by 1985 all of the Sperry detector cars in service used a dual induction/ultrasonic system.
Provenance:
Immediate source of acquisition unknown.
Restrictions:
Collection is open for research.
Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Topic:
Railroads -- Track-inspection cars  Search this
Magnetic instruments  Search this
Genre/Form:
Business records -- 20th century
Citation:
Sperry Rail Detector Car Collection, 1928-1985, Archives Center, National Museum of American History.
Identifier:
NMAH.AC.0497
See more items in:
Sperry Rail Detector Car Collection
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_collection:sova-nmah-ac-0497
Additional Online Media:

Ruska Variometer

Maker:
Ruska Instrument Corporation  Search this
Physical Description:
metal (overall material)
Measurements:
overall: 19 in; 48.26 cm
overall: 8 7/8 in x 12 1/4 in; 22.5425 cm x 31.115 cm
Object Name:
variometer
Place Made:
United States: Texas, Houston
Subject:
Science & Scientific Instruments  Search this
Science & Scientific Instruments  Search this
Credit Line:
U.S. Department of the Interior, U.S. Geological Survey
ID Number:
1982.0671.13a
Accession number:
1982.0671
Catalog number:
1982.0671.13a
See more items in:
Medicine and Science: Physical Sciences
Measuring & Mapping
Science & Mathematics
Data Source:
National Museum of American History
EDAN-URL:
edanmdm:nmah_1029309
Additional Online Media:

Variometer

Maker:
Edelmann, Max Thomas  Search this
Physical Description:
metal (overall material)
Measurements:
overall: 42 in; 106.68 cm
Object Name:
variometer
Place Made:
Germany: Bavaria, Munich
Date made:
ca 1906
Subject:
Science & Scientific Instruments  Search this
Science & Scientific Instruments  Search this
Credit Line:
Carnegie Institution of Washington
ID Number:
1983.0039.06
Accession number:
1983.0039
Catalog number:
1983.0039.06
See more items in:
Medicine and Science: Physical Sciences
Measuring & Mapping
Science & Mathematics
Data Source:
National Museum of American History
EDAN-URL:
edanmdm:nmah_1029379
Additional Online Media:

Supplement to the magnetical instructions for the use of portable instruments, etc

Author:
Riddell, Charles James Buchanan 1817-1903  Search this
Physical description:
22 p
Type:
Books
Date:
1846
Topic:
Magnetic instruments  Search this
Call number:
QC820.R54 1846
QC820.R54 1846
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_299486

Studi sopra gli strumenti magnetici / del p. Carlo Braun D.C.D.G

Author:
Braun, Ferdinand 1850-1918  Search this
Donor:
Burndy Library DSI  Search this
Physical description:
56 p. ; 24 cm
Type:
Books
Date:
1871
Topic:
Magnetic instruments  Search this
Call number:
QC819 .B82 1871
QC819.B82 1871
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_297971

Magnetical instructions for the use of portable instruments adapted for magnetical surveys and portable observatories, and for the use of a set of small instruments adapted for a fixed magnetical observatory; with forms for the registry of magnetical and meteorological observations ... Printed by Order of the Lords Commissioners of the Admiralty

Author:
Riddell, Charles James Buchanan 1817-1903  Search this
Physical description:
146 p
Type:
Books
Date:
1844
Topic:
Magnetic instruments  Search this
Call number:
QC820.R54 1844
QC820.R54 1844
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_299485

Universal Magnetometer with Earth Inductor

Maker:
Carnegie Institution of Washington. Department of Terrestrial Magnetism  Search this
Physical Description:
metal (overall material)
Measurements:
overall (instrument case): 7 1/4 in x 21 1/4 in x 15 3/4 in; 18.415 cm x 53.975 cm x 40.005 cm
overall: 7 in x 15 1/2 in x 21 1/4 in; 17.78 cm x 39.37 cm x 53.975 cm
Object Name:
universal magnetometer with earth inductor
Place Made:
United States: District of Columbia, Washington
Date made:
1914
Subject:
Science & Scientific Instruments  Search this
Science & Scientific Instruments  Search this
Credit Line:
U.S. Department of Commerce, Coast & Geodetic Survey
ID Number:
PH.320627
Accession number:
2003.0312
Catalog number:
320627
See more items in:
Medicine and Science: Physical Sciences
Measuring & Mapping
Science & Mathematics
Data Source:
National Museum of American History
EDAN-URL:
edanmdm:nmah_1029282
Additional Online Media:

Dip Circle

Maker:
U.S. Coast and Geodetic Survey  Search this
Physical Description:
metal (overall material)
Measurements:
overall: 10 1/2 in; 26.67 cm
overall in case: 12 in x 9 3/8 in x 8 1/4 in; 30.48 cm x 23.8125 cm x 20.955 cm
Object Name:
dip circle
Place Made:
United States: District of Columbia, Washington
Subject:
Science & Scientific Instruments  Search this
Science & Scientific Instruments  Search this
Credit Line:
U.S. Coast & Geodetic Survey
ID Number:
PH.314632
Accession number:
208213
Catalog number:
314632
See more items in:
Medicine and Science: Physical Sciences
Measuring & Mapping
Science & Mathematics
Data Source:
National Museum of American History
EDAN-URL:
edanmdm:nmah_1029361
Additional Online Media:

Instruments of attraction / Patricia Fara ; [edited by Judy Mills ; photography by Don Manning]

Author:
Fara, Patricia  Search this
Whipple Museum of the History of Science  Search this
Subject:
Whipple Museum of the History of Science  Search this
Physical description:
30 p. : ill. 21 cm
Type:
Exhibitions
Date:
1996
Topic:
Magnetic instruments--History  Search this
Magnetic instruments  Search this
Call number:
QC755.67 .F37 1996
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_710126

First analysis of one hundred and seventy-seven magnetic storms : registered by the magnetic instruments in the Royal Observatory, Greenwich, from 1841 to 1857 / by George Biddell Airy ..

Author:
Airy, George Biddell Sir 1801-1892  Search this
Lithographer:
Basire, James 1796-1869  Search this
Donor:
Burndy Library DSI  Search this
Physical description:
p. 617-648, [1] leaf of plates : ill. ; 32 cm
Type:
Books
Date:
1863
1863]
Topic:
Magnetic storms  Search this
Call number:
QC849 .A29
QC849.A29
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_163891

Geomagnetic instruments before 1900 : an illustrated account of their construction and use / Anita McConnell

Author:
McConnell, Anita  Search this
Physical description:
75 p. : ill. ; 22 cm
Type:
Books
Date:
1980
Topic:
Magnetic instruments--History  Search this
Call number:
QC819 .M12
QC819.M12
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_140745

Description of the theodolite magnetometer

Author:
Lloyd, Humphrey 1800-1881  Search this
Former owner:
Société vaudoise des sciences naturelles DSI  Search this
Physical description:
7, [1] p. ; 23 cm
Type:
Books
Date:
1840
1849
184-?]
Topic:
Magnetometers  Search this
Magnetic instruments  Search this
Call number:
QC750.4 .H15 1850
QC750.4.H15 1850
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_329545

Account of the induction inclinometer and of its adjustments / by the Rev. H. Lloyd, D.D., F.R.S., V.P.R.I.A

Author:
Lloyd, Humphrey 1800-1881  Search this
Former owner:
Société vaudoise des sciences naturelles DSI  Search this
Physical description:
8 p. ; 23 cm
Type:
Books
Date:
1842
Topic:
Magnetic instruments  Search this
Magnetic measurements  Search this
Call number:
QC750.4 .H15 1850
QC750.4.H15 1850
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_329632

Note of the effect upon the magnetic needle, of the aurora borealis, visible at Philadelphia, on the 17th May, 1833 / by A.D. Bache

Title:
Effects of an aurora borealis on the magnetic needle
Effect of an aurora borealis on the magnetic needle
Pamphlets of Prof. A.D. Bache DSI
Author:
Bache, A. D (Alexander Dallas) 1806-1867  Search this
Franklin Institute (Philadelphia, Pa.)  Search this
Physical description:
pages [3]-7 22 cm
Type:
Observations
Place:
Pennsylvania
Philadelphia
Date:
1835
[1835?]
Topic:
Auroras  Search this
Magnetic instruments  Search this
Geomagnetism  Search this
Call number:
QC944 .B33 1837
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:siris_sil_1047626

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