Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 431
ch,rarely exceeding 8,000 pounds. For the resistance of thick shells Eankine givesthe bursting strain— _ E^-r^ in which/is the tenacity of the metal, R and r exterior and interior diameterrespectively. Figs. 990 and 991 are the elevation and plan of a common form of hydraulicpress for the baling of… … Fig. 992. Fig. 993. Fig. 994 Fig. 992 is the section of a common jack-screw in which the screw is turnedby a lever of which the hole beneath shows where its end is inserted. The wholeweight is taken by the extended base. Figs. 993 and 994 are side and end views of a cast-iron housing; the…
Mechanical drawing
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