Used with Boxes, Coin Collecting No. 13 and a Bellset No. 1 in automatic exchange areas.

Telephone includes:-
1 x Transmitter No. 1.
2 x Cord, Instrument No. 118.
1 x
Receiver, Bell No. 1A.
1 x Cord, Instrument No. 222.
1 x Switch, Receiver No. 2.
1 x Dial, Automatic No. 9.
1 x Cord, Instrument No. 504.
1 x Box, C.C., No. 13.
1 x Bellset No. 1, with bias spring.

Circuit diagram - AT 1715.

Circuit diagram - N219.

Superseded by Telephone No. 123.

Fitted with a Lock No. 31 (Engineering cover) and a Lock No. 4 (Coin box cover).

The pictures shows a very early example, probably a prototype as there is no wiring in the mechanism casing and the cash box cover on production models was black.  Note the brass connectors on the coin mechanism (Mechanism No. 13).

Pictures taken in 1924.



GEC Pictures
Taken late 1920's.  The date on the mechanism is 1925.

Front cover removed.
Mechanism is closed and connection pins are in contact

Mechanism in the open position.
Pins and contacts can now be clearly seen.


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Last revised: June 16, 2024