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 892
Grate-fall head, or end of breast. b, Seed-board,e, Saw-cylinder. d, Saw. e, Patent detached grate. /, Screw or bolt on which the grate-fall rests. »-, Back board, to which are attached the backgrates and patent moter. A, Grate-fnll hollow, which is hung upon hinges,and may be raised or lowered at… … the rows of bristles, and a hole around the shaft to receive the air as the brush revolves; and a rapid cen-trifugal motion is given to the air, which is forced out with great power between the rows of bristles. Behind the brush is an opening, the length of the frame, into the lint-room, and…
Mechanical engineering
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