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WESTERN ELECTRIC 1st COMERCIAL POINT CONTACT TRANSISTORS, 1950's

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WESTERN ELECTRIC 1st COMERCIAL POINT CONTACT TRANSISTORS, 1950's

Germanium Point Contact Transistor marked 1698 3.52, first production type. The 3.52, marking is different on some, this possibly refers to the date of manufacture i.e. March 1952. In original packing.
Standard Telephones and Cables (STC) was born out of the UK branch of Western Electric USA.
For Synthetic Germanium See Item A1431.

Nortel Collection

Your comments:

  • The 3.52 is the date of production - March 1952.


    .......... Andrew Wylie, Purley, 19th of September 2010

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A1422



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