Clandestine Radio Receiver – Sweetheart Type 31/1

Scarce complete Clandestine radio receiver, type 31/1 also known as Sweetheart.  Was a miniature valve-based clandestine receiver, developed in 1943 by the Norwegian Willy Simonsen, for use by the British Special Operations Executive (SOE) during WW2. Approx. 50,000 units were manufactured by Hale Electric Co. Ltd in London (UK), that were dropped over occupied Europe, in particular in France and Norway. This set is in good condition and complete! The 31/1 consist of crystal earphones and its tin, receiver with power cable and Norwegian instruction, packaging, operating instruction and circuit diagram, batterybox, ground-wire and antenna-wire.

Very hard to find, great item and easy to display because its small size. Widely used by SOE.