'How to build a two valve set', No 15, Godfrey Philips cigarette card, 1925.

'How to build a two valve set', No 15, Godfrey Philips cigarette card, 1925.
2 4 c m
40cm
actual image size: 32cm x 16cm

Description

The reverse of the card reads: 'This picture indicates the connection from the moving (centre) vanes of the reaction condenser, being fixed to the moving vanes of the turning condenser. Care must be taken to see that this wire is bent to clear the moving vanes of the tuning condensor, as they are moved by rotating the knob on the front of the panel.'

Image Details

Image Ref.
 
10421572

© Science Museum / Science & Society Picture Library

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