Archives Catalog Entry
Ion chamber, early
Small cylindrical electroscope with clock and photographic drum. Used by Millikan and Bowen in 1932. See Physics Review 44:246-52 (1933). Returned from Pomona College Physics Department, 5/92. Compare ST-CR-03. Manufacturer: Caltech Physics Shop.
Millikan, Robert Andrews (Experimental Physicist, Nobel Laureate, Caltech President)
Jan. 1, 1932
MEDIUM: Metal; QUANTITY: 1
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