Commercial crystal set, maker unknown.
The crystal set is still the simplest form of receiver for the reception of broadcast speech and music and were very popular in the 1930s as a much cheaper alternative to the relatively expensive valve radios, the downside was that headphones had to be used. Works with united 100 turn coil.
This particular set cost thirty shillings. It is referred to on page 28 of the 'Listener In' dated 30 April 1927.
Commercially-made set with plug-in coil and Galena detector in black English Morocco case.
AERIAL EARTH PHONES
Type of item
130 mm (Length), 130 mm (Width), 170 mm (Height)
78 mm (Length), 135 mm (Width), 134 mm (Height)
Measurement From Conservation.