Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 634
Y. 681 between the rollers a a, of the width of the warp, and of a depth nearly equal to the space betweenthe upper and lower folds of the apron; its bottom, perforated all over with holes e, e, e, e, touchesor nearly touches the lower fold of the apron. A rotary fan in a bos F, is placed near the… … cates by branch-pipes^/]/* with the inside of the vacuum-bos. In the lower part *f the pipe G there isa. throttle valve S, which closes or opens the communication between the fan and the vacuum-bos Ethis valve has a lever g on its spindle, which is connected by a rod h to a long arm i of a lever…
Mechanical engineering · Mechanics · Engineering
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