The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 57
Fuf.4 … o J 4s J0 ssfeec f /f .MrW.* hh/i>t> C^ur 1840.] THE CIA IL ENGINEER AND ARCHITECTS JOURNAL. 41 HARVEY AND WESTS PATENT IMPROVED VALVE/o; MacJiitics for Raining Water and other Liquids. SPECIFICATION. Now know ye, that our iinproveii valve resembles, in appearance,a valve known bv the name of…
Architecture · Civil engineering · Science
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