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Title: Thermionic Triode Valve RCA Type VT-207, (VTT) [Go to resource]
Description: Thermionic Triode Valve RCA Type VT-207, (VTT), c.1950's License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1950-1959 Source: Science Museum Identifier: 1994-54 Go to resource More Like this...
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