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 26
d to the opposite endof the steam drum, thus providing for a free circula-tion of the water. Of the latter type there have beenmany different kinds evolved during the last one hun-dred years, the majority of them having had but abrief existence, being compelled to obey the inex-orable law of the… … WICKES VERTICAL WATER TUBE BOILER, explosions appears to be in favor of the water tubeboiler. It is not contended that they are entirely 14 ENGINEERING exempt from the danger of explosion. On the con-trary, the percentage of explosions of water tube boil-ers in proportion to the number in use is…