The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 383
ndle rf, wings or feathers g, extend, and slide in verticalji^rooves in the socket or plug A, which closes the bottom of thecock. The flange or ring i, fixed upon the rotary stem of the winch, should be ground very accurately on all its surfaces, in order that it may fittightly in its sock-et; and… … GAS AND WATER METERS. William Parkinson, of Cottage-lane, City-road, gas-meter ma-nufacturer, for ■^improvements in gas and water meters.—GrantedMarch 20; Enrolled September 20, 18i9. We gave last month an abstract of a paper on this patent meter,read at the British Association; we now have an…
Architecture · Civil engineering · Science
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