'How to build a two valve set', No 10, Godfrey Philips cigarette card, 1925.
2 4 c m
40cm
actual image size: 32cm x 16cm

'How to build a two valve set', No 10, Godfrey Philips cigarette card, 1925.

© Science Museum / Science & Society Picture Library

Description

The reverse of the card reads: 'Reaction condenser Connections (Contd). The connection fromthe fixed vanes of the reaction terminal is made to the same terminal on the H F choke that is wired to the anode terminal of the first valve holder. The connection is indicated by the finger which is shown touching the wire. The grid leak of 2 megohms (Dubilier) is also shown in the clips provided on the grid condenser.'
 

Image Ref.

10421571
 

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