BELLSET No. 23
Wooden wall mounted Bellset used on Automatic & CB exchange areas on Rural Party Lines with Telephones No. 154, 156LB and 196LB.

The housing is a Case No. 7 and could be constructed of American Walnut, Black Chuglam, Pyinma, Halou, Tasmanian Myrtle or African Mahogany.

The Mark 234 had the terminals mounted on the backplate, just under the bell ringer, whereas the Mark 235 had terminals mounted on the two sides of the Bellset wither side of the bell ringer.

Obsolete by 1956.

Bellset includes (1946):-
1 x Bell No. 1A, Unmounted.
1 x Bell-gong No.2, Oxidized.
1 x Bell-gong No. 2A, Oxidized.
1 x Coil, Induction, No. 15 (or No. 21 with 2 Parts No. 1/SBR/2).
2 x Condenser, M.C., No. 102.
1 x Case No. 1 (Mk 235) or No. 7 (Mk 234).

Circuit diagram - N523.

Drawing - Bellset - 8989 (Mark 234) and 90173 (Mark 235).
Drawing - Case for Mark 234 - 9107.
Drawing - Case for Mark 235 - 7276.

Adjustment of Magneto bells 
 

Bellset No. 23 Mark 234

 
 
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