American School of Correspondence · Chicago, American school of correspondence · leaf 290
de single boss. For fly frames of five and a quarterand six inch space, they are made either single boss or double 256 COTTON SPINNING 215 boss, but for all fly frames under five and a quarter inch Space theyare made double boss only. The terms single boss and double boss mean the number ofends of… … VkTEIGHT Fig. 184. Weighting for Top Rolls. and four spindles in this length and one end of roving for each bossor single boss. On a fly frame, four and one-half inch space, the length of theroll is eighteen inches. There are eight spindles in this distance,which is too short to allow eight…
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