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 |
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Page 39
... 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 ...
Page 48
... Yards . Old Road 339 3540 24 428 New Road 193 2257 1276 1596 Difference 146 1283 2 592 Another instance may be observed in the road from South Mimms to Barnet . The old In this case the Highgate and the Hampstead ridge makes it ...
... Yards . Old Road 339 3540 24 428 New Road 193 2257 1276 1596 Difference 146 1283 2 592 Another instance may be observed in the road from South Mimms to Barnet . The old In this case the Highgate and the Hampstead ridge makes it ...
Page 49
... yards . In tracing a road across a deep valley between two hills , it should be carried in a direction op- posite to the fall of the valley , as by so carry- ing it , that is , by crossing the valley at the highest practicable point ...
... yards . In tracing a road across a deep valley between two hills , it should be carried in a direction op- posite to the fall of the valley , as by so carry- ing it , that is , by crossing the valley at the highest practicable point ...
Page 51
... yards in length , 8 in breadth , and the same in height . † There is a similar * To this list may be added the Dean Bridge over the Water of Leith at Edinburgh , which is above 100 feet high , and consists of four arches of 90 feet span ...
... yards in length , 8 in breadth , and the same in height . † There is a similar * To this list may be added the Dean Bridge over the Water of Leith at Edinburgh , which is above 100 feet high , and consists of four arches of 90 feet span ...
Page 54
... yards , far from moderating its acclivity , occasionally increased it , a serious error in works of this nature . He acted in this case on his own responsibility ; relying , perhaps , on that of his chief of brigade . As a consequence ...
... yards , far from moderating its acclivity , occasionally increased it , a serious error in works of this nature . He acted in this case on his own responsibility ; relying , perhaps , on that of his chief of brigade . As a consequence ...
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Common terms and phrases
Allesley Archway road bottom breadth bridge broken stones built carriage centre coating Commissioners contractor covered cross drains cubic yards depôts depth ditch draught earth Edition eighteen inches embankments engineer expense of drawing Fcap feet wide fences footpath formed Foster's Booth foundation four feet four inches gravel ground half Hartshill Holyhead Road Horizontal horses improvement inches deep inches thick inches wide inclined plane J. C. LOUDON John Kershaw labour laid land length line of road masonry ment metal pavement miles mound necessary nine inches North Wales parish passing paved pavement Pence placed Plate VII posts proper quicksets rails railway Rates of Inclination repair road materials road-making roadway side channels side drains six inches slopes specification spirit level Stowe Hill streets surface surveyor Telford Thomas Baylis three inches trustees turnpike roads valley velocity Vols waggon weight wheels whole
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Page 8 - All these cities were connected with each other, and with the capital, by the public highways, which, issuing from the Forum of Rome, traversed Italy, pervaded the provinces, and were terminated only by the frontiers of the empire. If we carefully trace the distance from the wall of Antoninus to Rome, and from thence to Jerusalem, it will be found that the great chain of communication, from the north-west to the south-east point of the empire, was drawn out to the length of four thousand and eighty...
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