Electric Bells

Electric Bells

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floor from which the bell is rung ; a separate line must be provided for each floor, and therefore some alteration must be made in the ... then by a branch wire inside the case (shown by a dotted line on the diagram) to the main stud, round the bell magnet to the zinc element of ... Doub1e Electric Bell Circuit with Chime Bells.

Title:Electric Bells
Author:Paul Nooncree Hasluck
Publisher: - 1909


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