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Scientific Apparatus
Optical secondary emission amplifier, C61

Invented by William Shockley and John Pierce. Cylindrical shape, 14 contacts. Glass is broken. Has old ID #31. (See Mendenhall file.)
Manufacturer: RCA, ca 1935.

ID: 1981-00024
Mendenhall, Hallam E.

LENGTH: 7 inches tall approx.; QUANTITY: 1

Topics: Electronics

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