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 Road |
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Page vi
... Peat Bog 91 CHAP . IV . DRAINAGE , P. 93 . Main Side Drains 93 Covered Drains 93 Inlets 95 Mitre Drains 95 Cross Drains 96 Outlets 97 Catchwater Drains 97 Side Channels 97 CHAP . V. DIFFERENT KINDS OF ROADS , AND MODES vi.
... Peat Bog 91 CHAP . IV . DRAINAGE , P. 93 . Main Side Drains 93 Covered Drains 93 Inlets 95 Mitre Drains 95 Cross Drains 96 Outlets 97 Catchwater Drains 97 Side Channels 97 CHAP . V. DIFFERENT KINDS OF ROADS , AND MODES vi.
Page viii
... Cross Drains 204 Inlets 207 Outlets 208 Depôts 209 Toll Houses 212 Toll Gates and Bars 222 Lamps 224 Milestones 225 CHAP . VIII . MANAGEMENT OF ROAD WORKS , P. 226 . Drawings Specifications Estimates Contracts Deeds of Contract 226 226 ...
... Cross Drains 204 Inlets 207 Outlets 208 Depôts 209 Toll Houses 212 Toll Gates and Bars 222 Lamps 224 Milestones 225 CHAP . VIII . MANAGEMENT OF ROAD WORKS , P. 226 . Drawings Specifications Estimates Contracts Deeds of Contract 226 226 ...
Page 40
... cross rivers , the height of the greatest floods should be marked on the sections ; and the velocity of the water , and the sectional area of the river , should be stated . If bogs or morasses are to be passed over , the depth of the ...
... cross rivers , the height of the greatest floods should be marked on the sections ; and the velocity of the water , and the sectional area of the river , should be stated . If bogs or morasses are to be passed over , the depth of the ...
Page 42
... cross the ridges , at lower levels , by a circuitous course , in the way represented by the dotted lines a c d , in the above figure . It constantly happens that although inclinations which do not exceed the prescribed rate can be had ...
... cross the ridges , at lower levels , by a circuitous course , in the way represented by the dotted lines a c d , in the above figure . It constantly happens that although inclinations which do not exceed the prescribed rate can be had ...
Page 49
... be more advisable to take the line A D B , than either the straight line A B , or the line A C B , higher up the valley . E Another instance where a valley may be cross- ed with RULES FOR TRACING NEW LINE OF ROAD . 49.
... be more advisable to take the line A D B , than either the straight line A B , or the line A C B , higher up the valley . E Another instance where a valley may be cross- ed with RULES FOR TRACING NEW LINE OF ROAD . 49.
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Common terms and phrases
Allesley arch Archway road bottom breadth breast walls brick bridge broken stones built carriage centre coating Commissioners constructed contractor cross drains depôts depth district draught earth eighteen inches embankments engineer feet wide fences foot footpath formed Foster's Booth foundation four feet four inches gravel ground half Hartshill hill Holyhead Road horizontal horses improvement inches deep inches thick inches wide inclined plane J. C. LOUDON John Kershaw labour laid length line of road London masonry Menai Strait ment miles mortar necessary nine inches North Wales parish passing paved pavement pence placed Plate VII proper quicksets rails railway Rates of Inclination repair road materials road-making roadway side channels six inches sixteen inches slopes specification spirit level Stowe Hill streets surface surveyor Telford Thomas Baylis three feet three inches trustees turnpike roads valley velocity waggon weight wheels whole
Popular passages
Page 23 - 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?
Page 10 - 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...
Page 23 - A more dreadful road cannot be imagined. I was obliged to hire two men at one place to support my chaise from overturning. Let me persuade all travellers to avoid this terrible country, which must either dislocate their bones with broken pavements, or bury them in muddy sand.
Page 10 - The public roads were accurately divided by milestones, and ran in a direct line from one city to another, with very little respect for the obstacles either of nature or private property. Mountains were perforated, and bold arches thrown over the broadest and most rapid streams.
Page 291 - At many turnpikes, it has been said, the money levied is more than double of what is necessary for executing, in the completest manner, the work, which is often executed in a very slovenly manner, and sometimes not executed at all.