Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 75
he internal parts. In Figs. 2210 and 2211 these panels arc shown partially removed. Twosmall wniught-iron columns I) D are also fixed to the sole-plate, and serve to support a cylindricalcast-iron vessel /-, the bottom plate of which is provided with two apertures guarded by the flap-valves d and… … surrounding atmosphere by the apertures b and /, similarly furnished with flap-valves, the formerbeing situated in the sole-plate A, and the latter in the movable piece 67; the stream of air gen-erated in the lower bellows passing through the upper by means of an clastic leather tube or copperpipe…
Mechanical engineering -- Dictionaries
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