The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 160
the whole, we are inclined to think that whenthe English surveyor packs up for the colouies, he ought to putMr. Whiteheads treatise in a accessible corner of his portmanteau. IMPROVED MODE OF WORKING EXPANSIVE STEAMVALVES. Communicated to the Mining Journal, by Mr. Thomas Cbaddock,of Birmingham.… … Fig. 1. Fig. desired to open and close the expansive valve, in relation to the strokeof the piston, will lie understood from the following descrijjtion ofthe paits :—a a is the clip and eccentric rod, which communicatesmotion from the eccentric 4, 4, 4, to the expansive valve n, throughthe right…
Architecture · Civil engineering · Science
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