s of which the furnace ofeach boiler can be regulated independently of the other, and bywhich each boiler may be separately detached from communicationwith the chimney. A longitudinal section of the boiler, made by a vertical planeextending from the front to the back, is given in fig. 6, where r,as… … boiler is represented in fig. 7, showing two of the fire-doors closedand the other two removed, displaying the position of the grate-bars in front. Small openings are also provided, closed by properdoors, by which access can be had to the under-side of the flues,between the foundation timbers of…
Steam-engines · Steam-navigation · Locomotives
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