Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 322
ortantproblem, and while there are various methods ofbracing resorted to, still, as Dr. Peabody says, thestaying of a flat surface consists essentially in holdingit against pressure at a series of isolated points whichare arranged in regular or symmetrical pattern. Thecylindrical shell of a boiler… … FIGURE 101. surface. Rule 2, Section 6, of the rules of the U. S.Supervising Inspectors provides as follows: No bracesor stays hereafter to be employed in the constructionof boilers shall beallowed a greaterstrain than 6,000 lbs.per sq. in. of sec-tion. The method to beemployed in stayinga boiler…