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 iii
... perfect , he has , during the last twenty years , applied himself to this object , for effecting which both talents and management have been required , as well as perseverance . ; " 1st , He had to convince government of A 2.
... perfect , he has , during the last twenty years , applied himself to this object , for effecting which both talents and management have been required , as well as perseverance . ; " 1st , He had to convince government of A 2.
Página iv
... perfect a knowledge of road - making in all its branches , as has enabled him to produce the most valuable Treatise which has appeared in England , on the history , principles , and practice of that species of national improvement ...
... perfect a knowledge of road - making in all its branches , as has enabled him to produce the most valuable Treatise which has appeared in England , on the history , principles , and practice of that species of national improvement ...
Página 3
... perfect roads throughout a country is an object of no small importance as regards public economy . In proportion as roads are level and hard , will there be a saving of horse labour , a cheaper description of horse may be employed ...
... perfect roads throughout a country is an object of no small importance as regards public economy . In proportion as roads are level and hard , will there be a saving of horse labour , a cheaper description of horse may be employed ...
Página 23
... of materials which forms it is universally so thin , that it is weak , and consequently exceedingly im- perfect . Drainage is neglected ; high hedges and trees are allowed to intercept the action of the sun C 4 INTRODUCTION . 23.
... of materials which forms it is universally so thin , that it is weak , and consequently exceedingly im- perfect . Drainage is neglected ; high hedges and trees are allowed to intercept the action of the sun C 4 INTRODUCTION . 23.
Página 24
... perfect system of road - making , shows that they were not qualified for this task : for nothing , in point of fact , can be more opposed to the prin- ciples of science with respect to moving bodies , such as carriages , on roads , than ...
... perfect system of road - making , shows that they were not qualified for this task : for nothing , in point of fact , can be more opposed to the prin- ciples of science with respect to moving bodies , such as carriages , on roads , than ...
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458 | |
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Términos y frases comunes
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
Pasajes populares
Página 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?