Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 281
e remarked, the external fire-box A forms part of the boiler, communicatingfreely with it, and being, like it, filled with water to the proper height when the engine is in operationThe boiler, properly so called, is marked E in the figures, and in the specimen now under notice consistsof a cylinder… … These tubes are inserted into the front plate of the internal fire-box, (called the tube-plate,) which ismade of a sheet of copper considerably thicker than the other plates of which the fire-box is composed,so as to afford a better bearing for the fixing of the tubes. At the front extremity of the…
Mechanical engineering
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