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Scientific American, Vol. 7, No. 11 (September 1862) (1862)

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An illustration from Scientific American, Vol. 7, No. 11 (September 1862), 1862, leaf 0
dles have an intermittent vertical and also a ro- Douglas & Sherwood, who may be addressed for fur- be conveniently pressed by the foot of the operator tary motion in making and delivering loops. Two re- ther information in relation to the matter, at 51 and downward between the teeth of the spur… … A railway has been built in New Zealand about 14 servatory, is about leaving to join the astronomical truck wheels. The bar, a, as soon as it is relieved miles in length, rising in that distance 2,800 feet. corps at the National Observatory in Washington. from the pressure of the foot is forced…

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