HIGH-SPEED LATHES 325 The duration of the cut was 30 Some of the illustrations accom- minutes in each case and the speed panying this article show samples of was practically the same. The coarse steel turnings produced at the Cy- chips were removed to the enormous clops Works of Messrs. Cammell,… … of Messrs. Jonas & Colver, Ltd., of Sheffield, is illustrated. This steel is FIG. 22. A "SPEEDICUT" STEEL TOOL used largely in America as well as in Great Britain. This particular I have had arranged and photo- tool was used, and ground down graphed alongside common objects, — from time to time…
Engineering
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