Confusion
here, as the BT web site says this is a Telephone No. 222. Other knowledgeable
fellows are not convinced - I opt for the Demonstration Set No. 6.
Confusion
here, as the BT web site says this is a Telephone No. 222. Other knowledgeable
fellows are not convinced - I opt for the Demonstration Set No. 6.
Bakelite table telephone used for demonstration purposes. Helped to acclimatise people to the new fangled telephone.
Used in pairs, these telephones were effectively an intercom with a lamp indicating an incoming call.
Powered by batteries and connected together by 4 wires via the backboard shown.
Click here for the circuit diagram
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Last revised: October 28, 2003
FM