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Wool substitutes (1922)
Beaumont, Roberts, 1862-1924 · London, New York [etc.] Sir I. Pitman & sons, ltd. · leaf 114
, 4i ; Doffing Brush, 20. WorkingWidth ofMachine. Diameter ofDriving ,Pulley. H.P. inDriving. Speed ofSwifts. Productive Capacity-lbs. per hour. 243648 151515 56 450 revs.450 „450 „ 120-180180-240220-300 Waste Openers Type Fig. 25. With, one, two, or three Swifts, and five orsix Workers on each… … NOILS—PULLED-YARN MATERIALS 97 With one Svnft • WorkingWidth ofMachine. Diameter ojDrivingPulley. B.P. inDriving. Sveed ofSwifts. Productive Capacity-lbs. per hour. 24364860 15151515 1 li li 285 revs.285 „285 „285 „ 10-3515-5025-6525-85 Wiih two Svnfts. 24 15 2 285 revs. 10-35 36 15 2i 285 „ 15-50…Woolen and worsted manufacture
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