Radar switch tube
1940
- Title
- Radar switch tube
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-ME-03
- Dates
- 1940
- Extents
- 1 photographs (negative)
- Abstract
- Russian copy of Western Electric Mark II 5D21, anti-submarine radar switch tube by H. E. Mendenhall (CIT 1927), J. Westsan and C.H. Elmendorf (CIT 1936). Found on Oregon beach ca. 1948.