A Treatise on Roads: Wherein the Principles on which Roads Should be Made are Explained and Illustrated by the Plans, Specifications and Contracts Made Use of by Thomas TelfordLongman, 1837 - 438 sider |
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Allesley arch Archway road bottom breadth breast walls brick bridge broken stones built carriage centre coach coating Commissioners contractor cross drains depôts 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 masonry Menai Strait ment miles mortar necessary nine inches North Wales parish passing paved pavement pence placed posts principle proper quicksets rails railway Rates of Inclination repair road materials road-making roadway side channels six inches sixteen 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