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Title: PNP junction transistor type EW59 [Go to resource]
Description: Pack of ten GEC crystal valves / PNP Junction Transistors type EW 59, c.1950 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Semi conductor / GEC Crystal Valve Temporal: c1950 Source: Science Museum Creator: GEC Hirst Research Centre Identifier: 2003-108 Go to resource More Like this...
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