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Scientific American, Vol. 44, No. 9 (1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 44, No. 9 (1881), 1881, leaf 4
ade of the pressure of the air in The motion of screw eyes are so located that it may hang a little straighter the elevator was very rapid until within a few feet of the than the desired angle. Near the lower corners, on either bottom. The efficiency of the safety cushion was amply side of the… … Action of Vegetable Acids Mr. George W. McKenzie, of SIMPSON’S ADJUSTER FOR HANGING FRAMES. Dyersburg, Tenn., has patented on Tin. end with a flat hook, B, which clamps the cord by being an improvement in baling presses Professor Charles E. Mun- canted by means of the weight of the frame. The hook,…

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