TELEPHONE No. 250 | ||||||||
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The Telephone No. 250 is a portable linesman's telephone of the local battery variety. It has an integral battery, ringing generator and a dial. The telephone can be used on automatic lines. The Telephone No. 250A has a socket that accepts a headset using a Plug No. 420. This socket is located on the left hand back corner. The generator handle is stowed by means of the brass clip inside the lid.
The mouthpiece has a flattened spittoon. Introduced in the late 1930's. Telephone includes (1946 and 1956):- Supersedes Telephone, Nos. 44 and 44B Circuit diagram - N350. Drawings - 63567 (250) and 92182/92163 (250A). The battery used in the phone is the Battery Dry No. 11, which is 3 volt battery consisting of 2 cells. Click here for more information
Telephone No. 250
Telephone No. 250A
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Last revised: December 15, 2021FM |