A practical handbook of dyeing and calico-printing. With eleven page-plates, forty-seven specimens of dyed and printed fabrics, and thirty-eight woodcuts (1874)
Crookes, William, 1832-1919 · London, Longmans, Green · leaf 580
same number of teeth, are moved by a centralwheel with teeth in the same manner, and fixed behind the wheel 20. Thelatter receives an alternating movement from a rack, 24, fixed in a copperpiece, 25. This rises and falls alternately, and is keyed at its lower end toone of the spokes of the wheel… … is proportionately increased or lessened. It is further regulated by the ratchet-wheel, d. At each half-revolution the lever 22 raises the catch, and throwsthe wheels 21 out of gear during the next half turn; but as in workingthese wheels there would necessarily be a backward movement, this is…
Dyes and dyeing · Calico-printing
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