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A Treatise on Roads: Wherein the Principles on Which Roads Should Be Made ...
Henry Parnell, Sir,Thomas Telford
No preview available - 2016
Allesley arch Archway road bottom breadth breast walls brick bridge broken stones built carriage centre coach coating Commissioners constructed contractor cross drains depots depth district draught earth Edition eighteen inches embankments engineer expense feet wide fences foot footpath formed Foster's Booth foundation four inches gravel ground half Hartshill hill Holyhead Road horizontal horses improvement inches deep inches thick inches wide inclined plane J. C. Loudon John Kershaw labour laid length line of road London masonry Menai Strait ment miles mortar necessary nine inches North Wales parish passing paved pavement posts principle proper quicksets rails railway rate of inclination repair road materials road-making roadway side channels six inches slopes specification spirit level Stowe Hill streets surface surveyor Telford Thomas Baylis three feet three inches trustees turnpike roads valley velocity vols waggon weight wheels whole