Telefunken Radio Valve Type LD15, by Telefunken, Germany, c. 1945
Inventory Number: 14100
Date: c. 1945
Maker Details: Signed by Telefunken.
Inscription: "LD15 / TELE / FUN / KEN" printed on exterior surface of bulb. "Entwickenlungsmuster" printed on exterior surface of bulb. "R______ / Eigentum / BAL / 719" printed on exterior surface of bulb.
Size: 85 mm in overall height (including base pins)
Materials: Steel, glass, assorted metals.
Other Given Number(s): Christie's 216.
Telefunken Dev. UHF Triode Vacuum Radio Valve (or Tube) Type LD15, with unmatching cardboard carton. Shares carton with Siemens Radio Valve Type LD2 (Inv. Num. 96292). Glass valve with upper steel base and seven steel base pins.