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- Laboratory Cathode Ray Tube Oscilloscope, 1926-1931 -

- 1926-1931
- Collections - Artifact
Laboratory Cathode Ray Tube Oscilloscope, 1926-1931
- Heath Company Model O-6 Oscilloscope, circa 1950 -

- circa 1950
- Collections - Artifact
Heath Company Model O-6 Oscilloscope, circa 1950
- Type Q Oscilloscope, General Electronics Industries, 1943-1945 - Radar technologies developed rapidly during the Second World War. General Electronics Industries (GEI), founded by George Devol in 1943, specialized in anti-radar devices. The company manufactured radar jamming systems for the U. S. Navy and became one of the largest producers of radar countermeasure equipment during the war.

- 1943-1945
- Collections - Artifact
Type Q Oscilloscope, General Electronics Industries, 1943-1945
Radar technologies developed rapidly during the Second World War. General Electronics Industries (GEI), founded by George Devol in 1943, specialized in anti-radar devices. The company manufactured radar jamming systems for the U. S. Navy and became one of the largest producers of radar countermeasure equipment during the war.