Amplifier purchased on the surplus market after World War II and used with photoelectric photometers at the Lick Observatory. The tag on front reads “GENERAL RADIO CO. / MODEL 271, SERIAL 75959 / WESTON ELECTRIC INSTRUMENT CO., NEWARK, N.J. U.S.A.”

Maker: General Radio Company

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Credit Line: Gerald Kron

Data Source: National Museum of American History

Id Number: 1997.0340.02Accession Number: 1997.0340Catalog Number: 1997.0340.02

Object Name: amplifier

Measurements: overall: 25.2 cm x 43 cm x 39 cm; 9 29/32 in x 16 15/16 in x 15 11/32 inoverall: 9 3/4 in x 16 13/16 in x 13 1/2 in; 24.765 cm x 42.70375 cm x 34.29 cm


Record Id: nmah_1183948

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.