The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 64
inish it up on an oilstone, you havea sharp edge for a while—for a long while, ifyou have done the job rightly. But if you haveground with the blade very flat on the stone andthe blade is, consequently, very thin indeed nearits edge, you will probably have made what wecall a wire-edge. One of the… … THE EDGE OF A NEWLY HONED RAZOR-BLADE. (Greatly Magnified.) which have been torn by some extra large andsharp piece of grit in the stone. A wire-edgeis very sharp, for a short time, but the teethbreak off with every use of the knife, and, beforeyou know it, only a jagged edge is left, which…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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