The standard of efficiency for steam-eng
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R.H. Thurston
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Article
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1896
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Elsevier Science
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English
โ 815 KB
T/curstotz : [J. F. I., machines in general use. Thereis no othel-such device on the market, so far as is known. The claim of the inventor of having produced a "cheap and effective device, capable of use in an ordinary lathe, by means of which milling-cutters or similar tools may be readily made,"