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Scientific American, Vol. 44, No. 14 (1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 44, No. 14 (1881), 1881, leaf 4
al, that it is well worth the self-regulating lamp adapted tosuch an electric circuit, aud upon a single circuit of wire, with steadiness and uniform- price asked for it, and should not be compared with merely so constructed that any accidental disturbance of it, or ity. The machine known as No.8… … promising stage. There was 1 3 2 justing the lamps. no machine that could fur- Each lamp of the Brush nish a current for a number BRUSH ELECTRIC LAMPS, type is provided with an au- of lamps, much less sustain tomatic cut-out, which is oue them in one circuit with of the valuable features of the…

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