The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 75
nd,and so as to fit round the pan, d an airpipe, fixed upon the water bos, e theseat, which moves upon centres or pivotsfixed at the sides, / a valve, actuatedby the lever g, and connecting rod h,one end of which is attached to theend of the lever g, and the other, orlower end, to the back part of…
Architecture · Civil engineering · Science
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