This report describes the results of tests carried out to find the relative merits of three typical types of gramophone needles. © BBC. All rights reserved. Except ...
This report describes the results of tests carried out on the Telefunken pick-up type TO.1001 and specifies suitable correction circuits to be used with it. White ...
This report describes the results of tests carried out on the Telefunken pick-up type TO.1001 and specifies suitable correction circuits to be used with it. © BBC ...
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