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 47
ide walls. This leak,as has already been noted, is caused by the expansionof the boiler, which gradually pushes the arch awayfrom the back head until, in the course of time, therewill be a space of $/% in. and sometimes y± in. betweenthe head and the arch. The obvious remedy for thisis an arch that… … m clave s grates. the top row of tubes for the upper ends of the sectionsto rest upon, as already described. It will be seenthat within all possible range of boiler movement ineither direction the arch will, with this construction,always remain close to the head. Water Columns. Water columns should…
