Ion chamber used by Millikan and Bowen
- Title
- Ion chamber used by Millikan and Bowen
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-CR-01
- Extents
- 1 photographs (negative)
- Abstract
- Smallest cylindrical electroscope. Used in Texas in 1922. Sent up to about 15.5 kilometers by balloon. Clock and photographic drum missing as of 5/20/70. See Phys. Rev. 27:353(1926). Mfg. CIT Physics Shop.