American School of Correspondence · Chicago, American school of correspondence · leaf 90
Fig. 30. Elevation Showing Evener Parts. towards the elevating apron. When the hopper is full, or nearly so,the cotton keeps the rack in an almost vertical position, but as it 76 COTTON SPINNING. 41 … 77 42 COTTOX SPINNING. gets low in the hopper, the springs draw the rack forward towardsthe elevating apron while the comb is drawn slightly away fromit. By thus increasing the distance between the comb and theapron (which is shown by the dotted lines in Fig. 29), morecotton is allowed to pass…
Textile industry and fabrics
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