In
black leather-clad suitcase with a 5
inch moving coil loudspeaker and frame antenna in
the lid.
Beneath the loudspeaker, the radio has
provision for an external aerial and
earth (right) and headphones (left).
Inthe rear compartment,
the 2-volt
battery and126voltanode battery
are
accommodated; in
the middle section,
beneath
the aluminum strip, are the valves.
The
knobs from left to right:
"Reaction/Sensitivity", "Short/Long",
tuning,
"Adjust", fine tuning with a
lever which varies the position of the
stator of the tuning condenser in
relation to the rotor, and "Volume/Selectivity",
a gain control potentiometer which
varies the grid bias applied.
Wave bands: medium
wave
(190 - 560 meters) and long wave (850-1900 meters).
The receiver's design
dates from 1932 and was brought
up-to-date every year. The TMC
model,with moving coil loudspeaker, was
introduced at the London Olympia Radio
Show in August 1933. This model, with
the gain control for the grid bias,
dates from 1934.
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