Roper's catechism for steam engineers and electricians .. (1899)
Roper, Stephen. [from old catalog], Keller, Edwin R., [from old catalog] ed, Pike, Clayton W., [from old catalog] ed · Philadelphia, D. McKay · leaf 103
oiler, there are a number of tubes which lead thegases of combustion to the back, whence they passunder the outside shell to the front and into thestack. In the externally fired type the tubesextend the whole length of the boiler, and thefurnace is outside and under the front end of theboiler. The… … STEAM ENGINEERS AND ELECTRICIANS. 83 course which the gases take, this latter type isfrequently designated as Return Tubular.^ Q. What ad\^antages does a tubular boiler pos-sess over the cylinder and flue boilers ? A. The tubular takes up less room, generatessteam more rapidly, and requires less…
Steam engineering · Electrical engineering
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