LE, HOW TO for either Gas, Oil, Water, or Mineral Steam Engines, Diamond Drills, Power and Hand and Dies, Hardening and Temperi , the Making and Tests, Boilers, Engines, Pipe, Cranes, and General Machinery. make. By G.M. Hopkins.—Description of a small electro Use of Tools, Tool Grinding, Marking… … INDUSTRIAL PUBLISHERS, BOOKSELLERS & IMPORTERS Capacity up to 200 tons per hour, eople buy a $100 machine when $30 will Ma purchase a better one? Send for illustrated CLARH’S $10 Walnut St., Philadelphia, Pa., U.S.A. Has produced more ballast, road N catalogue and terms to County Agents. metal, and…
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