BATTERY CALL RAILWAY WALL TELEPHONE
Comprising a Hunningscone-Deckert Transmitter with Ebonite Mouthpiece, Double
pole Bell Receiver in Ebonite Case with Flexible Cord, Call Bell wound to 25 ohms
resistance, Ringing Key, Serrated Lightning Arrester and Terminals.
Price in 1908 was £2.9. 6
Last revised: February 05, 2011