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Scientific American, Vol. 78, No. 15 (April 1898) (1898)

leaf 3

An illustration from Scientific American, Vol. 78, No. 15 (April 1898), 1898, leaf 3
, Mr. Armand fastened a rope around his perilous exploration, namely, Messrs. Martel, Vir6, wheel will be very slight, thus avoiding undue friction. waist, the end being held by stout peasants. Another Armand and myself. We ascended the charming valley rope, held in a similar manner, was attached… … Fnini a photof^aph hy Virti. man beings, or that ever tempted reckless cave hunters INTEBIOB ABMAND CAVE, FBANCE. Engineer Corps, Willets Point, New York Harbor. to fathom its awful depths. were deemed necessary in case some one rope should be Pig. 1 represents the device in use. Fig. 2 being a…

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