2 Telefunken Triodes, c. 1920
Similar Upcoming Sales
EARLY ELECTRIC LIGHT BULBS, LOT OF SIX15 hrs LeftASSORTED BRASS AND METAL LANTERNS, LOT OF THREE15 hrs Left1913 Western Electric Candlestick Telephone & BoxMar 14, 2026Vintage Electric Converted Ankerlicht Oil LanternWHEATSTONE TELEGRAPH SYSTEM TRANSMITTER AND RECEIVER England and Copenhagen, Late 19th CenturyMar 12, 2026THREE-PART BERLINER TELEPHONE SYSTEM Paris, Late 19th/Early 20th Century Phone and stand height 10".Mar 12, 2026RARE COMPLETE ROBERT DROSTEN TELEGRAPH Brussels, Early 20th Century Case heights 7". Lengths 13.5".Mar 12, 2026TWO ACOUSTIC FLAME MANOMETERS Germany, Late 19th Century Heights 20" and 21".Mar 12, 2026J.H. BUNNELL & CO. TELEGRAPH POLARIZED RELAY AND SOUNDER New York, Late 19th CenturyMar 12, 20262 Early BatteriesMar 14, 2026SIEMENS BROS. & CO. ELECTRODYNAMOMETER London, Late 19th Century Covered height 14". Dial diameterMar 12, 20262 Horn Gramophones and Records, c. 1920–30Mar 14, 2026TWO THOMSON-RICE ELECTRIC METERS Late 19th CenturyMar 12, 2026TWO VOLTMETERSMar 12, 2026Telefunken Caprice Tube RadioMar 14, 2026L.M. ERICSSON & CO. WALL TELEPHONE INTERCOM Stockholm, Early 20th Century Height 15" (not includingMar 12, 2026 
