The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 148
Observations.—In the screw cocks commonly used, the box is castin two pieces, and the outlets are generally made with flanges, towhich a socket and spigot piece with corresponding flanges are bolted.It is a well known fact that cast iron is not so liable to corrode aswrought iron, and therefore…
Architecture · Civil engineering · Science
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