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 Telford, Esq. on the Holyhead Road |
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abutments acclivity Allesley arch axle bottom breadth bridge broken stones built carriage centre Chirk coach coating commissioners considerable constructed contract contractor Coventry cross drains depôts depth draught drawing earth Edition eighteen inches elasticity embankments engineer expense experiments feet wide fences foot footpath formed Foster's Booth foundation four inches gravel ground half hard Hartshill hill hind Holyhead Road horizontal horses improvement inches deep inches thick inches wide J. C. LOUDON John Kershaw labour laid length line of road London masonry ment miles mortar necessary nine inches North Wales passing paved pavement placed Plate principle proper quicksets rails Rates of Inclination repair road-making roadway side channels side springs six inches slopes spirit level Stowe Hill stratum streets surface surveyor Telford Thomas Baylis three feet three inches tractive trustees turnpike roads turnpike trusts velocity vols waggon weight wheels whole wing walls