The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . i Fio. 21.—Group of , Metal-workers scrape, pushed D. Diamond point used by .. D^^^XTS^Iaterally. £. F, cX^elTake^s scrapes,,. C, Round-nosed tool used by a wood-turners. ... r »• „ 2L chief advantage of backing-off or relieving is in Us application tocutters of intrlate curves, which would be difficult or .mposgbte tosharpen along their edges. Such cutters, moreover, if made witn. Fio. 22.—Cross-sectional Shapes of Files.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910