Smallest cylindrical electroscope with clock and photographic drum. Used by Millikan and Bowen in 1922. See Phys. Rev. 27:353 (1926). Mfg. CIT Physics Shop.
ID number
ST-CR-10
Title
Galvanometer, thermo, Duddell patent
Abstract
Has serial #46280. Original instructions and test results in file. Mfg: Cambridge & Paul Instrument Co.
