Trebel, George. [from old catalog] · New York, F. Tousey · leaf 50
an electric lamp. In some tho carbons are worked byclock-work, which requires winding up occasionally; in othersthe movement of the carbons is accomplished automaticallyby the action of the current itself. The Jablockoff Candle obviates all necessity for regula-tors. In this candle, instead of the…
Electricity
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