TELEPHONE No. 746
& 8746
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Some later variants of the Telephone No. 746 (Mark 3) and
No. 8746 were fitted with a
single coil bell, called the Unicoil bell (Bell No. 79A). This bell could also be
supplied with a volume control. The control mechanism was also fitted
to the Bell Unit No. 776 which was used on the
Telephone No. 776-1. Drawings
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Last revised: January 28, 2023FM |