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Electrically Welded Specimen, Bicycle Crank Hanger

National Museum of American History

Object Details

Thomson, Elihu
Description
This bicycle’s welded steel crank hanger was created using Elihu Thomson’s electric welding apparatus (see object number MC*181724). Welding samples demonstrated the potential industrial applications of electric welding, and illustrations of these samples were published in journals, brochures, and advertisements. Elihu Thomson’s invention of electric welding in 1885 resulted in numerous industrial applications including the manufacture of automobile parts, tools, screws, ball bearings, and wire lines. Thomson’s welding apparatus pressed two pieces of metal together while an electric current ran through the metal. Resistance to the current at the contact point between the metal pieces created heat and welded the metals together.
Scientist and inventor Elihu Thomson (1853-1937) played a prominent role in the industrialization and electrification of America with over 700 patents in his name. His inventions and patents helped change the nature of industry in the United States and included the “uniflow” steam engine, automobile muffler, producing fused quartz, stereoscopic x-ray pictures, electric arc lamps, lightning arrestors, and perhaps most notably—the process of electrical welding. Thomson and partner Edwin Houston established a variety of companies to manage his industrial interests. In 1892, his Thomson-Houston Electric Company merged with the Edison Electric Company to form General Electric.
Credit Line
from Thomson Electrical Welding Co., thru Elihu Thomson
1886
ID Number
EM.181676
catalog number
181676
accession number
33015
Object Name
welding sample
Physical Description
steel (overall material)
Measurements
overall: 3 1/4 in x 3 1/4 in x 4 in; 8.255 cm x 8.255 cm x 10.16 cm
See more items in
Work and Industry: Electricity
Energy & Power
Industry & Manufacturing
Thomson Welding
Exhibition
Object Project
Exhibition Location
National Museum of American History
National Museum of American History
Record ID
nmah_705970
Metadata Usage (text)
CC0
GUID (Link to Original Record)
https://n2t.net/ark:/65665/ng49ca746a5-4988-704b-e053-15f76fa0b4fa
There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
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