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Scientific American, Vol. 43, No. 25 (1880) (1880)

leaf 3

An illustration from Scientific American, Vol. 43, No. 25 (1880), 1880, leaf 3
its length, and the two arms thus formed adopted this nut, and use it on the tracks, engines, cars, and i Zurich, Switzerland. It consists of a lever terminating in machinery. The Atwood Safety Nut Company manufac. are slightly separated at the point, so that when they meet two prongs, one of which… … THE ATWOOD SAFETY NUT. rate with equal pressure on both sides of the delivery valve. | Further information may be obtained by addressing J. W. The invention consists of an auxiliary valve arranged out. | Labaree, Secretary and Treasurer, Room 2, Agawam Bank the cap, closing the top of the tube…

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