First-Hand:From Radio Engineering to War-Time Research: Revision history

13 January 2015

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30 July 2014

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22 July 2014

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11 December 2012

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25 October 2012

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16 October 2012

• curprev 19:5519:55, 16 October 2012‎ Tjeffres talk contribs‎ 6,250 bytes +6,250‎ Created page with "'''Sidney Bertram''' I was born Sydney Abramovitch in Winnipeg, Canada; the name was changed when the family moved to California in 1923. I took a vocational electrical course..."