Valves: PM2, Cossor Stentor two power valve
and
PM1HF (first year of production of all valves 1926)
Left
The radio was made
using an number of components:
transformers by Ferranti and Radio
Instruments, a Dubilier grid-leak
resistor/capacitor, a capacitor made by
Edison Bell, London, variable condensers by Ormond and tubes by Philips-Mullard and
Cossor. The antenna coil is home made.
Right
Flamed ebonite front
Lower left: on/off switch, lower right: rheostat.
In the middle: coarse tuning. Upper left: Fine tuning, upper
right: reaction control.
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