TELEPHONE No. 151LB

Wooden cased, Local Battery, wall telephone used in CBS No's 1, 2 & 3 areas.

The telephone also required a Box, Battery, Leclanche, WK 4, 2-cell.  Two batteries were installed in this box to power the transmitter.

Most of these wall phones were built using Bellsets that were returned to stores.

Also used on long lines in CB and Auto areas.

The picture shows a phone with a dial.  Dials were not fitted to this model.

Introduced circa 1938.

Supersedes Telephone No. 3.

Telephone includes (1946 and 1956):-
1 x Bell No. 1A, Unmounted.
1 x Bell-gong No. 2.
1 x Bell-gong No. 2A.
1 x Box, Battery, Leclanche, WK 4, 2-cell.
1 x Brackets, Transmitter No. 2.
1 x Brackets, Transmitter No. 3.
1 x Capacitor, M.C. No. 97.
1 x Coil, Induction No. 21.
2 x Cord, Instrument No. l/16E, Black, 12".
1 x Cord, Instrument No. 2/22B, Brown, 33".
1 x Dial, Automatic, Dummy No.4.
1 x Hook, Receiver No. F.
1 x Mounting, Dial, Automatic No. 7.
1 x Receiver, Bell No. 1A.
1 x Switch, Receiver No. 4.
1 x Transmitter No. 22.

Circuit diagram - N251.

Drawing No. 63035.

How to convert to Plug and Socket

Adjustment of Magneto bells
 

Last revised: October 01, 2025