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English: Comparison of older pinched top "top hat" case versus newer version without pinched top. 1950's GE NPN Transistors. (L-R) 2N167, 2N169, 2N170, 2N169 and 2N292. BOTTOM 2N168A
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Own work (Original text: From my Collection)

Previously published: sites.google.com/site/johnengsdeadtechrescue/
Author Engradio

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  • 2012-11-14 05:14 Engradio 2896×1944× (1081091 bytes) Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

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current15:23, 20 February 2014Thumbnail for version as of 15:23, 20 February 20142,896 × 1,944 (1.03 MB)File Upload Bot (Magnus Manske)Transfered from en.wikipedia by User:Kelly using CommonsHelper

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