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 - 465페이지 |
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35 페이지
... yards to an inch for the ground plan , and of thirty feet to an inch for the vertical section . The map should be correctly shaded , so as to exhibit a true representation of the country , with all its undulations of high grounds and ...
... yards to an inch for the ground plan , and of thirty feet to an inch for the vertical section . The map should be correctly shaded , so as to exhibit a true representation of the country , with all its undulations of high grounds and ...
47 페이지
... Yards . Old road · 339 3,540 24 428 New road · 193 2,257 21 1,596 Difference 146 1,283 2 592 Another instance may be observed in the road from South Mimms to Barnet . The old road ascends three rather steep and long hills , while the ...
... Yards . Old road · 339 3,540 24 428 New road · 193 2,257 21 1,596 Difference 146 1,283 2 592 Another instance may be observed in the road from South Mimms to Barnet . The old road ascends three rather steep and long hills , while the ...
48 페이지
... yards . In tracing a road across a deep valley between two hills , it should be carried in a direction oppo- site to the fall of the valley , as by so carrying it , that is , by crossing the valley at the highest prac- ticable point ...
... yards . In tracing a road across a deep valley between two hills , it should be carried in a direction oppo- site to the fall of the valley , as by so carrying it , that is , by crossing the valley at the highest prac- ticable point ...
50 페이지
... yards in length , 8 in breadth , and the same in height . There is a similar work at Puzzuoli , near Naples , which is nearly half a league long ; it is fifteen feet broad and as many high . RIVERS . The peculiar circumstances of a ...
... yards in length , 8 in breadth , and the same in height . There is a similar work at Puzzuoli , near Naples , which is nearly half a league long ; it is fifteen feet broad and as many high . RIVERS . The peculiar circumstances of a ...
52 페이지
... yards in length , having this object in view , was made over Mal- dreath Marsh , in the Island of Anglesea , on the new line of the Holyhead Road . MATERIALS . It will sometimes happen that road materials can be better obtained by ...
... yards in length , having this object in view , was made over Mal- dreath Marsh , in the Island of Anglesea , on the new line of the Holyhead Road . MATERIALS . It will sometimes happen that road materials can be better obtained by ...
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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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