A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)
Bourne, John · New York, D. Appleton & co. · leaf 56
92. Q.—Is this arrangement different from that obtaining intubular boilers ? Fig. 8. … A.—In tubular boilers, the smoke after leaving the furnacejust passes once through a number of small tubes and then en- 40 MARINE TUBULAR BOILERS. ters the chimney. These tubes are sometimes of brass, and they Fig. 9.
Steam engineering · Steam-engines
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