Mahogany frame with metal parts.
On the left is the
antenna connection, and a variable capacitor,
operated by an insulated screw.In the middle the connections for a
headphone.
On the right the crystal detector
and on the far right the earth.
The coil has
a length of 31 cm and a diameter of
8.5 cm, made of 0.7 mm copper wire. The receiver
has two sliding contacts with carbon points, one for antenna tuning and one for the
crystal detector. The receiver needs an antenna
of at least 30 meters for optimal reception.
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