The art of weaving, by hand and by power, with an introductory account of its rise and progress in ancient and modern times . Fig. a a, is the frame of the loom ; h b, the crank shaft, carrying thefast and loose pulleys c, on one end, outside the frame, and on the * A patent for this improvement, was granted, in the United States, toFrederick Downing, bearing date 27th Jan. 1843. PLAIN WEAVING. 373 opposite end, the cylindrical cam </, having two spiral grooves e e,crossing each other; and//, cranks of the shaft b h. In the grooveof the cylinder cam </, two slides are fitted on opp
The art of weaving, by hand and by power, with an introductory account of its rise and progress in ancient and modern times . Fig. a a, is the frame of the loom ; h b, the crank shaft, carrying thefast and loose pulleys c, on one end, outside the frame, and on the * A patent for this improvement, was granted, in the United States, toFrederick Downing, bearing date 27th Jan. 1843. PLAIN WEAVING. 373 opposite end, the cylindrical cam </, having two spiral grooves e e,crossing each other; and//, cranks of the shaft b h. In the grooveof the cylinder cam </, two slides are fitted on opposite sides; theone on the front side is attached to the lever G, which has its ful-crum on the shaft h, and turns freely thereon ; near each end of thelever G, a slot is made, in which stud-pins g g, are so fastened asto be adjustable (by proper screws and nuts :) to these studs areaffixed the straps i i, which extend from thence under two pul-leys 10, and up to the headles; one strap being attached to eachheadle. It will be perceived, that by this arrangement, the headles willbe worked as the lever G, is vibrated, by means of th
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectweaving, bookyear1844
