Metal-work; a handbook for teachers and students (1914)
Adam, Hugh M. [from old catalog], Evans, James Humphrey, [from old catalog] joint author · New York, Longmans, Green and co.; London, E. Arnold · leaf 110
hey are still in good order for brass, wrought-iron,cast-iron, and steel, in the order stated; but a file which hasbeen used on cast-iron or steel is not afterwards effectiveupon brass or other soft metals. Scraping.—The object of scraping is to obtain a truersurface than is possible by filing.… … Fig. 35.—Sckaper Edges. 94 METAL-WORK scraping edge (Fig. 35) should then be ground slightly roiuid,and the two flat surfaces rubbed on a fine oilstone. Thescraper is then prepared for setting the edge, which is doneby rubbing upon an oilstone whilst the scraper is held in avertical position. To…
Metal-work
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