American School of Correspondence · Chicago, American school of correspondence · leaf 102
4R0 REVS. 342.85_U- 5.25 DIA. --, E 3.7S DIA. 480___br4:^DrA~ -;/--- sbd. i hnAL^Pl^- 672 V-3.75DIA.J 4TH. 5.25 DIA. 960 _ … Fig. 42. Evener Cones with Incorrect Outlines. The lap, which is woundupon the lap arbor, N^, is held incontact with the lap roll, Y, by the racks, K and KS which bearupon either end of the lap roll. The top of the racks is recessedto receive two rolls, A and B, which form roller bearings andwhich…
Textile industry and fabrics
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