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 326
omeagainst the shelland the head. Theangle irons arethen riveted to theshell and the flathead. This formof brace is simpleand solid, but itschief defect is,that it is very rigid THE BOILER 1515 and does not allow for the unequal expansion of the in-ternal furnace flues and the shell. Fig. 106… … Vertical Section A-B. nog