BELL No. 56 | |||||||
![]() Operating voltages and resistances:- Bell 56A - (2 x 50 ohm coils) - 2-5 or 5-10 volts DC Bell 56B - (2 x 250 ohm coils) Bell 56C - (2 x 1000 ohm coils) - 10-25 or 25-60 volts DC Bell 56D - (2 x 50 ohm coils) - 2-5 or 5-10 volts DC - includes Bobbin Resistance 2k ohms. Bell 56E - (2 x 250 ohm coils) - with permanently wired FR Interference suppression and Resistor Carbon 2.2k ohms. Internal use only. Diagram N656. Superseded Bell No. 13.
Bell No. 56C with a wooden base
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Last revised: March 31, 2020FM |