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Scientific American, Vol. 66, No. 12 (1892) (1892)

leaf 8

An illustration from Scientific American, Vol. 66, No. 12 (1892), 1892, leaf 8
ao quiet flame was used as a standard by which to| and durable workmanship, be as good practically as ELECTRIC LIGHT FOR MAGIC LANTERN. measure the candle power of the two arc lights for| the highest priced Jainp, and that such a lamp would PROF. W. C, PECKHAM. lantern use belonging to the Adelphi… … able in the lantern. ELECTRIC LIGHT FOR THE MAGIC LANTERN. nitely better than any © 1892 SCIENTIFIC AMERICAN, INC.

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