[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 159
Most manufacturers make the core perfectlysmooth and wind the wire over the entire surface.See Fig. 5. The sheets of the core are strung ona shaft, tightened between two wrought-ironheadsscrewed on the shaft. These heads are slotted toreceive wooden or leatheroid pegs, which keep thewires in place.…
Electricity
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