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

leaf 4

An illustration from Scientific American, Vol. 44, No. 9 (February 1881), 1881, leaf 4
r of the time covered by the fall. 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… … Mr. George W. McKenzie, of Action of Vegetable Acids 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 improvementinbalingpresses Professor Charles E. Mun- canted by means of the weight of the frame. The hook, B,…

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