Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 431
Fig. 19. OOOOOQiX^OOOOO Fig. 20. Figs. 19 and 20.—Areas to be braced in steam boiler heads. P. 54, p. 219. When stay rods are screwed through the sheetsand riveted over, they shall be supported at intervals not exceeding6 ft. In boilers without manholes, stay rods over 6 ft. in length maybe screwed… … Fig. 21.—Measurements for determining stresses in diagonalstays. p. 220. The maximum allowable stress per square inch net cross-sectional area of stays and stay-bolts shall be as given in Table 7.The length of the stays between supports shall be measured from theinner faces of the stayed plates.…
Machine design
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