Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 542
r ^ Fig. 1252. 526 ENGINEERING DRAWING. to the heat of the gases from combustion. The fire-box is lined with fire-brickto the height of the centre of the boiler, and also the exposed surface of thebridge wall. A covering of thin corrugated iron extends from wall to wall overthe boiler, and supports…
Mechanical drawing
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