BELL No. 48

DC Trembler bell for use outdoors with 6 inch gong (Bell Gong No's 9 or 15).

Operating minimum voltages
Bell No. 48A - 2.5v (25 Ohm coil)
Bell No. 48B - 20v
Bell No. 48D - 50v

Bell No. 48C - Trembler bell, similar to Bell No. 48B, for preliminary signal in noisy situations in PO buildings.  Has twin 250 ohm coils and uses Bell Gong No. 19 (cow gong)

Diagram N648

Bell No. 48B Bell No. 48C


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Last revised: January 18, 2016