The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 214
one with a view of increasing the supply bysteam power, and as the steam engines are, in most cases, situated ina different direction from the tanks or reservoirs, therefore, the curvethat would have assisted the current in one direction, would have re-tarded it in the other. It has been objected… … Fig. .—Double Firo-cock, used at the British Museum. Fig. 7 is a double firecock, as Inid down at the British Museum.This has a very good delivery, and is certain to be always tight, ifwell made, as the pressure of the water forces the key into the barrel; 178 THE CIVIL ENGINEER ANDIARCHITECTS…
Architecture · Civil engineering · Science
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