American School of Correspondence · Chicago, American school of correspondence · leaf 60
Cleaning Trunk. on each edge, but not enough to cut the cotton, and as theybecome dulled by constant use the beater can be reversed in itsbearings and the other edges brought into use, both ends of thebeater shaft being made alike for this purpose. The beater generally runs 1,200 revolutions per… … Fig. 7. Same as above, with pockets Dropped for Cleaning. force ngainst the beater grid, M. Thus the dirt, seed and heavyimpurities, which are struck down with the cotton, fall betweenthe bars into the space below, while the cotton, which is verylight, is prevented from passing through with the…
Textile industry and fabrics
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