American School of Correspondence · Chicago, American school of correspondence · leaf 58
be noted. Between the lower endof the elevating apron and the end of the bottom apron is a spaceof about 1| inches, which allows dirt and foreign substances tofall through into the hopper screen. This screen can be droppedand the dirt removed. The cotton which is left upon the pins of the elevating… … Fig. 4. Section of Automatic Feeder and Opener. face, four wooden blades faced with leather, which are slightly incontact with the pins of the elevating apron, and, as the dofferruns about 160 revolutions per minute, a continuous series ofblows is given, by which the cotton is stripped or beaten…
Textile industry and fabrics
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-35-14.webp)
