[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 114
Figure % 212 ELECTKICITY AND ITS … Figure 4. to a brass ribbon, which is wound around a wheelhaving a ratchet and pawl, operated by an armatureand an electro-magnet. The ribbon is unwoundin this manner, feeding the upper carbon into thearc as fast as needed. Arc lamps are usually operated in series, that is,the wiring is so arranged…
Electricity
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