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Scientific American, Vol. 89, No. 8 (1903) (1903)
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at so long flashed out its danger 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… … & GREAT SEARCHLIGHT. © 1903 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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