American School of Correspondence · Chicago, American school of correspondence · leaf 167
of the grinding apparatus when 145 108 COTTON SPINNING. the card is not being ground; the weight lever is thrown back,dropping the grinding former out of contact with the flats. An attachment for grinding tlie flats, in an inverted positionover the cylinder, is shown in Figs. 94 and 95. The… … Fig. 94. Elevation Showing Flat Grinder. ward. The flats are kept in contact with the former by a weightlever, F, which is pivoted upon a stud, G, and which has a weight,H, upon its outer end. As the flats pass along to the grindingformer, they are supported upon the projecting arms, E, of…
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