The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 213
valve fig. 3. The float,A, forms the valve. It consists of a cylindrical piece of cork, in theaxis of which a brass wire is fixed, to serve as a spindle for guidingit. The top is covered with leather, by which an air-tight joint ismade with the aperture 13 C, above, when the float valve is raised;… … Fig, 3.—Vertical section—full size. The valve opens a free communication with the external air as soon asthe water begins to fall out of the service, and by thus establishing anequilibrium between the fluids around atid within, destroys any ten-dency which the former might have to force an…
Architecture · Civil engineering · Science
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