BELL No. 43A
|Wooden cased DC trembler bell (5 ohms) with single 3 inch
gong (Bell-gong No. 5).
The Mark 2 was mounted on a wooden base whilst the Mark 3 was made from plastic.
Used on House Systems.
Diagram - N645.
Drawing - 62788 (Mark 2 and 3).
Specification - S542.
Last revised: January 26, 2023