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Scientific American, Vol. 87, No. 18 (1902) (1902)

leaf 7

An illustration from Scientific American, Vol. 87, No. 18 (1902), 1902, leaf 7
s, and in the same year the Hamburg at Hamburg. No less than 7,114 voyages from Ham- Dispatches have been published in the daily press, flag elbowed the British flag out of the first place and burg (3,882 being under the German flag) were pro- which state that Ernst Ruhmer, who is not unknown… … “Gymnote” achieved this feat with only the top of ing sounds the optic telephones are in most instances Fig. 1.—REFLECTOR TRANSMITTER OF RUHMER'S her sighting tube about a foot above the water. placed in another room, or some distance away. APPARATUS. The crews of That the the two large…

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