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 RoadLongman, Orme, Brown, Green and Longmans, 1838 - 465 páginas |
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Página 25
... materials , and keep the surface of a road free from ruts by continually raking and scraping it , he produced a considerable change for the better in all the roads of the kingdom . with side channels and footpaths ; giving roads a ...
... materials , and keep the surface of a road free from ruts by continually raking and scraping it , he produced a considerable change for the better in all the roads of the kingdom . with side channels and footpaths ; giving roads a ...
Página 31
... materials . They are uniform in breadth and superficial convexity . They are completely drained , and when carried along the face of precipices , protected by strong walls . They are acknowledged , by all persons competent to form a ...
... materials . They are uniform in breadth and superficial convexity . They are completely drained , and when carried along the face of precipices , protected by strong walls . They are acknowledged , by all persons competent to form a ...
Página 34
... materials into carts , and all works that are reducible to measure . " The duties of the general surveyor and clerk were , to go along the line every four weeks ; the surveyor to examine the practical operations , settle all accounts ...
... materials into carts , and all works that are reducible to measure . " The duties of the general surveyor and clerk were , to go along the line every four weeks ; the surveyor to examine the practical operations , settle all accounts ...
Página 47
... materials will be very much increased . The great fault of most roads in hilly countries is that after ascending a considerable height , they constantly descend again before they gain the sum- mit of the country which they have to ...
... materials will be very much increased . The great fault of most roads in hilly countries is that after ascending a considerable height , they constantly descend again before they gain the sum- mit of the country which they have to ...
Página 52
... MATERIALS . It will sometimes happen that road materials can be better obtained by carrying a line of road in one direction than in another . This will be a good reason for making a road deviate from the direct line , because the ...
... MATERIALS . It will sometimes happen that road materials can be better obtained by carrying a line of road in one direction than in another . This will be a good reason for making a road deviate from the direct line , because the ...
Outras edições - Ver tudo
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualização integral - 1837 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualização integral - 1833 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualização integral - 1838 |
Palavras e frases frequentes
2d Edition abutments acclivity Allesley arch axle bottom breadth bridge broken stones built carriage centre cloth coach coating commissioners considerable constructed contractor Coventry cross drains depôts depth draught drawing earth eighteen inches elasticity embankments engineer Engravings expense experiments fences foot footpath formed Foster's Booth foundation four inches gravel 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 materials ment miles necessary nine inches North Wales paved pavement placed Plate posts principle proper quicksets Rates of Inclination repair road-making roadway side channels side springs six inches slopes spirit level Stowe Hill surface surveyor Telford Thomas Baylis three inches tractive TREATISE trustees turnpike roads turnpike trusts velocity Vignette Titles vols waggon weight wheels whole wing walls Woodcuts yards
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