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 pàgines |
Des de l'interior del llibre
Resultats 1 - 5 de 45.
Pàgina 2
... considered as the veins and arteries through which all improvements flow . How many places in almost every country might be rendered Cours d'Economie Politique , vol . i . p . 188 . doubly valuable , if access to them were practicable ...
... considered as the veins and arteries through which all improvements flow . How many places in almost every country might be rendered Cours d'Economie Politique , vol . i . p . 188 . doubly valuable , if access to them were practicable ...
Pàgina 37
... considered proper to be obtained , without expensive excavations and embankments . When a deviation is made for this purpose , it be- comes necessary to proceed in a direct line from a new point . Thus , for instance , if it be decided ...
... considered proper to be obtained , without expensive excavations and embankments . When a deviation is made for this purpose , it be- comes necessary to proceed in a direct line from a new point . Thus , for instance , if it be decided ...
Pàgina 41
... Patent Retarder : this has been for some time applied to the Devonport mail , and is considered by competent judges to answer effectually . An inclination of 1 in 35 is found by expe- * D 5 RULES FOR TRACING NEW LINE OF ROAD . 41.
... Patent Retarder : this has been for some time applied to the Devonport mail , and is considered by competent judges to answer effectually . An inclination of 1 in 35 is found by expe- * D 5 RULES FOR TRACING NEW LINE OF ROAD . 41.
Pàgina 56
... considered , the numerous de- * " A knowledge of true principles is indispensably necessary in every art , and in that of making roads as much as in any other . Some preliminary species of knowledge is very necessary in every ...
... considered , the numerous de- * " A knowledge of true principles is indispensably necessary in every art , and in that of making roads as much as in any other . Some preliminary species of knowledge is very necessary in every ...
Pàgina 57
... considered . " It would appear , that the construction of a road requires a considerable degree of science and practical skill on the part of those who undertake it ? I do not know that I could suggest any one problem to be proposed to ...
... considered . " It would appear , that the construction of a road requires a considerable degree of science and practical skill on the part of those who undertake it ? I do not know that I could suggest any one problem to be proposed to ...
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Altres edicions - Mostra-ho tot
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualització completa - 1837 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualització completa - 1838 |
A Treatise on Roads: Wherein the Principles on which Roads Should be Made ... Sir Henry Parnell Visualització completa - 1833 |
Frases i termes més freqüents
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
Passatges populars
Pàgina 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?