High school manual training course in woodwork, including cost of equipment and supplies and studies on trees and wood (1905)
Ritchey, Samuel Edward, 1866- · New York, American Book Company · leaf 78
. 135), onwhich the pulley runs, and also a chamber for grease.The chamber is filled with grease, the bushing is forcedinto the hub of the pulley, and by means of holes inthe bushing, the grease reaches and oils the shaft. Suchpulleys need grease only once or twice a year. Loose pulleys are… … in diameter, thereby loosening the belt nearly four inchesin a 10-in. and 12-in. L and T pulley, thus taking t he strainof a heavy, tight belt off the loose pulley, reducing thefriction, and the necessity for frequent oiling. The WOOD TURNING 77 Wetherby, Rugg, and Richardson lathes have no…
Woodwork (Manual training) · Cabinetwork
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