Model engine construction, with practical instructions to artificers and amateurs (1894)
Alexander, John Henry. [from old catalog] · London, New York, Whittaker · leaf 101
r hardened, so as toremain quite sharp during the whole of the drillingprocess. A little oil can be used to facilitate boring G 82 MODEL ENGINE CONSTRUCTION. operations. The cylinder is now smoothed all overwith a file, and can be painted where it has notbeen turned. It will be noticed that as yet… … Lines scribed on cylinder valve-face, where they intersectparts, must be drilled. Fig. 26. face, and flatten it by filing; measure off and drawa vertical line through the centre. Now draw twovertical lines, one being on either side, each distantabout two and a half times the width of the…
Steam-engines · Machinery
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