Nice German tube radio from the time between World War 1 and World War II, not tested, missing tube and back plate, but is nice for display in the nice Bakelite, which is the predecessor to plastic. Data found on the web: Number of Tubes 4 Valves / Tubes Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 Special; 1 AF stage(s); Anode bend detection Tuned circuits 3 AM circuit(s) Wave bands Broadcast (MW) and Long Wave. Power type and voltage Direct Current supply (DC) Loudspeaker - This model requires external speaker(s). Material Bakelite case from Radiomuseum.org Model: 340G - Telefunken Deutschland TFK, Shape Tablemodel, low profile (big size). Dimensions (WHD) 405 x 245 x 180 mm / 15.9 x 9.6 x 7.1 inch