Cotton mill processes and calculations. An elementary text book for the use of textile schools and for home study .. (1902)
Tompkins, Daniel Augustus, 1851-1914 · Charlotte, N.C., The author · leaf 139
be adjusted to suit different sizes ofdraft gear. Draft gear J drives back roll gear K. The draft of themachine depends upon the relation between speed offront roll G and back roll K. This relation dependsupon the size of gears G to K. The relation might beinfinitely varied by changing any or all… … 136 SI<UBBING AND ROVING. The back roll communicates motion to middle roll bythe small gears shown, through large broad intermediategear shown in dotted lines. These gears are so^ propor-tioned that there is a slight draft from back to middleroll, as in the case of the drawing frame (76 ), but…
Cotton manufacture
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