The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 383
eciually well. A, is an inlet pipe, as before,which is soldered (sidewise) to, and communicates at bottom with,another pipe 1). E, is a conical valve fitted to the bottom of thepipe D, the spindle of which is connected at top to a small pistonof equal area with the valve, by which piston any… … Fig. 4. Fig. X
Architecture · Civil engineering · Science
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