BELLSET No. 31


Bakelite cased Bellset used by the BPO on Direct Exchange Lines with Telephone No's 156LB, 196LB or 246 in LB exchange areas.  Also used on CBS Exchanges No's 1, 2 & 3.

Came complete with twin bell gongs, 1000 ohm ringer, Capacitor and a Coil Induction No. 21.

A Bakelite cover was provided.

Colours:-
Black - For use with Telephones, Nos. 156LB, 196LB, 1/196LB and 246.
Jade Green, Ivory and Chinese Red - For use with Telephones, Nos. 196LB and 1/196LB.

Bellset includes (1946):-
1 x Bell No. 59A, Unmounted.
1 x Bell-gong No. 2, Nickelled.
1 x Bell-gong No. 2A, Nickelled.
1 x Clip No. 29.
1 x Coil, Induction, No. 21.
1 x Condenser, M.C., No. 102.
2 x Parts, No. 2/SSC/17.
2 x Parts, No. 1/SSC/338.
1 x Parts, No. 1/SGU/1 (Colour).
1 x Parts, No. 1/SCO/1 (Colour).
2 x Washers, Locking, No. 1210.

Bellset includes (1956):-
1 x Bell No. 59A, Unmounted.
1 x Bell-gong No. 2, Nickelled.
1 x Bell-gong No. 2A, Nickelled.
1 x Clip No. 29.
1 x Coil, Induction, No. 21.
1 x Capacitor, Paper No. 7705.
2 x Parts, No. 2/SSC/17.
2 x Parts, No. 1/SSC/338.
1 x Parts, No. 1/SGU/1 (Colour).
1 x Parts, No. 1/SCO/1 (Colour).
2 x Washers, Locking, No. 1-2 BA.


Diagram - N531.
Drawing - 63034.

Adjustment of Magneto bells

Click here for the difference between a Bell and a Bellset

Internal view of the Bellset
Capacitor to the left and Induction Coil to the right
 


Bellset No. 31 wiring diagram

 

 
 
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Last revised: April 02, 2020

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