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Scientific American, Vol. 51, No. 14 (1884) (1884)
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seen to an almost imperceptible varia- be correct. tion. A very important improve- In order to avoid the loss of ment in this mill, and one found power experienced through fric- in the same form in no other tion and stiffness of belts, and as mill, is an attachment known as a superior mechanical… … © 1884 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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