Langbahn Team – Weltmeisterschaft

File:Philco Surface Barrier transistor=1953.jpg

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English: This is a rare Philco "experimental" surface barrier transistor that is encapsulated in a sealed vacuum tube and was developed in early 1953. This item is in my private archive collection, that I had acquired from a former Philco engineer employee that worked at the Lansdale Tube company - Philco division. Philco had made its production models of the surface barrier transistor in late 1953, which were hermetically sealed in a small aluminum can.
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Author Historianbuff

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19 April 2013

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current22:10, 19 April 2013Thumbnail for version as of 22:10, 19 April 2013758 × 851 (283 KB)HistorianbuffUser created page with UploadWizard

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