The roads and railroads, vehicles, and modes of travelling, of ancient and modern countries; with accounts of bridges, tunnels, and canals, in various parts of the world .. (1839)
London : J.W. Parker · leaf 304
d top are double, enclosing between them a layerof water about three inches thick, which is constantlyreplenished by water descending from the boiler; for, asthe top of the stove is rather below the level of the waterin the boiler, this layer of water is always preserved ofthe same thickness, and… … O 2 ! LOCOMOTIVE STEAM-ENGINE. 293 the boiler on their way to the chimney. So that nearlyall the heat, smoke, and hot air, from the furnace is turnedto the useful purpose of assisting to heat the water; andthe draught is increased by the waste steam being projectedup the chimney. Any pieces of…
Roads · Railroads · Bridges · Vehicles
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