Variable Capacitor

The Eppley Laboratory, Inc., Newport, Rhode Island

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about 1970

Black bakelite case, two thumbscrew terminals, cat. no. 100, serial no. 544844, unsaturated cadmium cell.

Overall: 4 x 4 x 5 in. (10.16 x 10.16 x 12.7 cm)

Hood Museum of Art, Dartmouth College: Allen King Collection of Scientific Instruments, Hood Museum of Art, Dartmouth College



North America, United States


20th century

Object Name

Scientific Instrument: Electricity


Scientific Instrument

Scientific Instrument - Electricity

Not on view

Published References

Standards of Electromotive Force (The Eppley Laboratory); according to www. (11/08), Eppley lab records of their cells from 1915-1993 are held at Vintage Radio & Communication Muesum, East Hartford, CT.


Source unknown; catalogued into the Allen King Collection of Scientific Instruments, January 2008.

This record was created from historic documentation and may not have been reviewed by a curator; it may be inaccurate or incomplete.

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