Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 413
Fig. 928. 396 MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. ample to make the tubes subject to outside stress 50 per cent thicker than forbursting, especially for the large drawn tubes now made. Mr. Fairbairn, fromhis experiments, considered it necessary to make the joints of tubes subject… … Fig 929. Fig. 934 is a section of the Shapley boiler, as made by the Knowles Steam-Pump Works—a good form of upright- boiler, with the head of the boilerstayed by rods directly to the crown-sheet, beneath which short tubes or nip-ples connect the fire-box with a cast iron smoke-box around the…
Mechanical drawing
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