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Scientific American, Vol. 78, No. 22 (1898) (1898)

leaf 4

An illustration from Scientific American, Vol. 78, No. 22 (1898), 1898, leaf 4
ition. tions to the shaft are a series of arms so arranged that. their ends shall bein proximity to the inner sides of Mr. Walter Wellman, the correspondent and explor- the chamber. The end portion of each arm has its er, has sailed for Europe. He will go to London and sides beveled in opposite… … after the first of June the snowin that region begins to melt enough to make travel through it extremely HENWOOD’S WRENCH. hard. Allowing an average of nine hours’ travel every day for 112 days, the party could make one milean hour been raised to disengage the angular head from the arm in one…

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