Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 642
. 631 between the rollers a a, of the width of the warp, and of a depth nearly equal to the space betweenthe tipper 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 box F, is placed near the…
Mechanical engineering
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