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Knight's Mechanical Encyclopedia (ed. Knight) 4 0 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
assing under and over pulleys. The sawspin-dle is rotated by band and pulley in such a direction that the saws may have an upward cut, acting against the end of the stone as it is pressed against them by the forward movement of the carriage. Gilmore's millstone saw-drill. Stone-sawing machine. For circular work, such as the tops of circular tables, disks for bosses or ornaments, lamp-bases, etc., a cylindrical saw is employed, similar in principle to the crown-saw. For small work, hok with a post f attached to the first set of fender-bars. Stone-sawing machines of the highest class are made by furnishing the blade with carbon-tool-point (which see). These saws are usually circular, but some are made reciprocating. James T. Gilmore of Painesville, Ohio, No 38,670. May 20, 1863, has a circular revolving plate or disk, armed with diamonds or other hard cutting-points, and used for dressing millstones. A portion of the machine is shown in Fig 5882. It is described as ad