Educational woodworking for home and school (1908)
Park, Joseph C. (Joseph Charles), b. 1872 · New York, The Macmillan company · leaf 109
ompanies in the world, if not the largest, is the Cleve-land Stone Company. Grindstones are made in anassortment of sizes and grit. An important factor in theoperation of a stone is its speed. The average speedvaries from 2500 to 4000 feet per minute. The stoneshould be kept free from dirty water,… … Fig. 101. — Power grindstone. Device, Fig. 102, or some other truing device, should beused frequently to keep the stone true. 70. Oilstone. — A tool that is indispensable about abench is an oilstone. It is needed every little whilefor putting a keen cutting edge on chisels, planes, and FOR HOME AND…
Woodwork (Manual training)
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