A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 282
l tiilnilai boiler designedfor low pressure andsmall work. The tubesarc short, and the fire-box is very large inproportion to the sizeof the shell. The hotgases, after passingthrough the tubes, arepassed downwardsover the outer surfaceof the sholl, and areallowed to escapethrough an outlet Qnear… … Fig. 48. over nearly the whole outer surface of the boiler shell,heating surface is thus considerably increased. The 126, A water-tube boiler is shown in Fig. 49. Itconsists mainly of a large number of wrought-iron or steeltubes T, which are inclined at an angle of about 15° to thehorizontal. The…
Architecture · Building
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