cabinet with a metal back panel. The central ornament
has a snap connection. After removal,
with station names can be clicked on the scale and the
scale lamp can easily be replaced.
The knobs from left to right: volume control by means of
inductive coupling, tuning, feedback.
This three circuit
trf receiver has three tuning capacitors (plus the
coupling capacitor for the antenna) on one axle. Two
levers are used to correct the synchronisation of these
With the upper
lever, the fixed plates of the condenser for the second
tuned circuit are rotated; the lower lever does the same
for the fixed plates of the capacitor of the first tuned
circuit and the antenna coupler.