Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 335
ual thickness on the two edges, and the latterarc then ground square by placing the sides in contact with the guide-bar. When the lap i- of moderate size, one guide-bar only is employed, and it is fixed across the diameterof the plate, which then allows of two workmen being employed on the opposite… … JEL ^ ,<SL±i, TT U MARBLE-SAWING MACHINERY $29 The sand and water are continually thrown from the lap by the centrifugal force, and the largeof the works sometimes applied prevents the use of a rim standi • f the lap ta catch the ■■ by lapidaries. Every workman, th ithin a kind of trough like a…
Mechanical engineering
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