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| BATTERY-RINGING WALL TELEPHONE No. 416
Weight 3.7 lbs. Price £2 4s. For use in connection with inter-communication switches No's. 780, 781, 782, and 783, the magneto-ringing telephone instruments No's. 307, 308, 357, and 382 are suitable. The following battery-ringing instruments can also be used:- Superseded by the Model HC 110.
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Last revised: March 21, 2024FM2 |