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Scientific American, Vol. 89, No. 8 (August 1903) (1903)

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An illustration from Scientific American, Vol. 89, No. 8 (August 1903), 1903, leaf 0
le power as a minimum, and the maxi- characteristic of most French beacon lights, is here signals at the mouth of the river Elbe. The new mum current used is 100 amperes. The light flashes adopted for the first time in Germany. It is, however, a electric light is- probably the most powerful at… … A GBEAT SEAJMJHLIGHT 07 316 MLLLI0K CAHDLE POWER. _ FITTED WITH IBIS BHP/TTEB. . DIAMETER, 6 FEET, 6 INCHES, © 1903 SCIENTIFIC AMERICAN, INC

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