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My PMG1 is dated 8th March 1963 from Riversdale. I just looked blank at most of those questions. NPN Transistors were indeed 'just in', so we all learnt the answers. Likewise Foster Seely discriminators. I could never get to grips with vector diagrams, so I just learnt the answers. Luckily both questions came up !!!
David
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Last edited by David; 18th May 2017 at 19:43.
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