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 pages |
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Page 24
... laid upon them , can be kept in order but at a great expense . The business of road - making in this country has been confined almost entirely to the management of individuals wholly ignorant of the scientific prin- ciples on which it ...
... laid upon them , can be kept in order but at a great expense . The business of road - making in this country has been confined almost entirely to the management of individuals wholly ignorant of the scientific prin- ciples on which it ...
Page 27
... laid out the road from Kinross to Perth , and by following the valleys , obtained an excellent line , instead of one passing over a successive range of very steep hills . He also laid out the road from Perth to Dunkeld . In all cases he ...
... laid out the road from Kinross to Perth , and by following the valleys , obtained an excellent line , instead of one passing over a successive range of very steep hills . He also laid out the road from Perth to Dunkeld . In all cases he ...
Page 29
... lands of Scotland in all directions ; and , although the whole region consists of high mountains , the * A. Young , Tour in Ireland , vol . ii . p . 56 . lines have been laid out with so much science , * c7 INTRODUCTION . 29.
... lands of Scotland in all directions ; and , although the whole region consists of high mountains , the * A. Young , Tour in Ireland , vol . ii . p . 56 . lines have been laid out with so much science , * c7 INTRODUCTION . 29.
Page 30
... laid out with so much science , that the inclinations are every where moderate . Next to tracing these roads , the principal merit consists in forming and draining them in such a manner as to place them out of the reach of all injury ...
... laid out with so much science , that the inclinations are every where moderate . Next to tracing these roads , the principal merit consists in forming and draining them in such a manner as to place them out of the reach of all injury ...
Page 35
... laid down on good paper , on a scale of sixty - six 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 ...
... laid down on good paper , on a scale of sixty - six 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 ...
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Common terms and phrases
Allesley arch Archway Road axles bottom breadth brick bridge broken stones built carriage centre coach coating commissioners constructed contract contractor Coventry cross drains DAVIES GILBERT depôts depth draught dynamometer earth eighteen inches elasticity embankments engineer expense experiments feet wide fences foot footpath fore wheels formed foundation four inches friction gravel ground half hard Hartshill height hill hind wheels Holyhead Road horizontal horses improvement inches deep inches thick inches wide instrument John Kershaw John Macneill labour laid length line of road manner masonry ment miles mortar mound necessary nine inches paved pavement placed Plate VII proper quicksets rails rates of inclination repair road-making roadway ruts side channels side springs six inches slopes specification spirit level springs square streets surface surveyor Telford theodolite Thomas Baylis three feet three inches trustees turnpike roads turnpike trusts upper velocity waggon whole wing walls
Popular passages
Page 20 - They will here meet with rutts which I actually measured four feet deep, and floating with mud only from a wet summer; what therefore must it be after a winter?