Optical secondary emission amplifier, C61
1935
- Title
- Optical secondary emission amplifier, C61
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-ME-07
- Dates
- 1935
- Extents
- 1 photographs (negative)
- Abstract
- Invented by William Shockley and John Pierce. Cylindrical shape, 14 contacts. Glass is broken. Mfg. RCA.