Western Electric Tangent Galvanometer

Smithsonian source data can be found [here](https://ids.si.edu/ids/media_view?id=3d_package:b8360103-172b-4ab2-a6ac-ab7ee9786876) This media file is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information and to review the 3D disclaimer, visit the Smithsonian’s [Terms of Use](https://www.si.edu/Termsofuse) page. Western Electric tangent galvanometer Maker: Western Electric Measurements: 8 1/2 in x 7 1/2 in x 8 in; 21.59 cm x 19.05 cm x 20.32 cm Object Name: Galvanometer, Tangent galvanometer Date Made: ca 1870 Credit Line: from Western Union Corporation ID Number: EM.332099 Accession Number: 294351 Catalog Number: 332099 Collector/Donor Number: 100-678 Data Source: National Museum of American History EDAN-URL: edanmdm:nmah_703325