BELL No. 67 | |||||||
Magneto bell (AC) with twin 6inch gongs for external use.
The bell ringer comprised of two 500 ohm coils which gave 1000 ohm ringer resistance. Introduced early 1940's. GPO Engineering Instructions on Fire Systems Click here for the difference between a Bell and a Bellset
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Last revised: June 22, 2020FM |