American School of Correspondence · Chicago, American school of correspondence · leaf 169
Fig 96. Position of Flat before Grinding. ing roll, equal to the difference in the height of the bearing surfacebetween the heel and toe of the flat. 147 110 COTTON SPINNING. In Fig. 96, the flat is shown advancing towards the grindingroll with the wire face at an angle. Fig. 97 shows the flat… … Fig. 97. Position of Flat wlien Grinding. flat just enough to cause the wire face to pass horizontallybeneath the grinding former. Fig. 98 shows the flat as having
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