3 Radio Advertising Signs, 1930 onwards

"Archiv des Rundfunkmuseums", 1991 onwards

Large Group of Collector's Radio Books

Large Group of Books on Radios and Radio Tubes, 1925 onwards

2 Detector Receivers with Accessories

Mains Supplies and Laboratory Rectifiers

Group of Batteries and Galvanic Cells

3 Electrotechnical Instruments

"Kaynite" Radio Coil-Winding Machine, 1924

Large Group of Early Headsets

Large Group of Plug-in Coils and Radio Spare Parts, 1915 onwards

Lot: Detector Receivers and Early Radio Equipment, c. 1920–30s

Lot of Radio Batteries, from 1900

Group of Radio and Transmitter Parts, 1920 onwards