Made in Paris. Was used to listen
to the Eifeltower broadcasts on 2600 meters. The
coil has a length of 30 cm, a diameter of 95 mm
with a layer of 0.7 mm enameled copper wire. It
has two slide contacts, one for tuning and one
to find the right tapping point for the crystal
detector. A long antenna (30 m) is needed.
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