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 65
... inches in thickness . * Whereas , instead of this weak and defective system , it may be laid down as a general rule ... 4 inches . - 4 ditto . 4 ditto . 3 ditto . Almost all other roads , which are commonly considered good ones , would ...
... inches in thickness . * Whereas , instead of this weak and defective system , it may be laid down as a general rule ... 4 inches . - 4 ditto . 4 ditto . 3 ditto . Almost all other roads , which are commonly considered good ones , would ...
Page 71
... inches of stones be laid on , it will produce only a palliative of the evil ... inches of broken stones is sufficient when laid on a pavement , and the pavement may be made with any kind of common stone ... 4 PRINCIPLES OF ROAD - MAKING . 71.
... inches of stones be laid on , it will produce only a palliative of the evil ... inches of broken stones is sufficient when laid on a pavement , and the pavement may be made with any kind of common stone ... 4 PRINCIPLES OF ROAD - MAKING . 71.
Page 83
... four inches of the surface mould , and hay seeds should be sown on it ; by this plan the slopes will soon be covered with grass , which will be a great means of preventing them from slipping . When stones can be got the slopes should be ...
... four inches of the surface mould , and hay seeds should be sown on it ; by this plan the slopes will soon be covered with grass , which will be a great means of preventing them from slipping . When stones can be got the slopes should be ...
Page 88
... inches in thickness , to face them with stone . In the Oxford clay , which covers so great a portion of the midland ... four to one ; and when this occurs it is extremely difficult to re - establish them . In limestone strata , if solid ...
... inches in thickness , to face them with stone . In the Oxford clay , which covers so great a portion of the midland ... four to one ; and when this occurs it is extremely difficult to re - establish them . In limestone strata , if solid ...
Page 90
... four inches thick , evenly laid , and closely jointed . " The slopes of the cuttings on the southern sides are to be three horizontal to one perpendi- cular , and those of the northern side to be two horizontal to one perpendicular ...
... four inches thick , evenly laid , and closely jointed . " The slopes of the cuttings on the southern sides are to be three horizontal to one perpendi- cular , and those of the northern side to be two horizontal to one perpendicular ...
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Common terms and phrases
2d Edition abutments acclivity Allesley arch axle bottom breadth bridge broken stones built carriage centre cloth coach coating commissioners considerable constructed contractor Coventry cross drains depôts depth draught drawing earth eighteen inches elasticity embankments engineer Engravings expense experiments fences foot footpath formed Foster's Booth foundation four inches gravel half hard Hartshill hill hind Holyhead Road horizontal horses improvement inches deep inches thick inches wide J. C. LOUDON John Kershaw labour laid length line of road London masonry materials ment miles necessary nine inches North Wales paved pavement placed Plate posts principle proper quicksets Rates of Inclination repair road-making roadway side channels side springs six inches slopes spirit level Stowe Hill surface surveyor Telford Thomas Baylis three inches tractive TREATISE trustees turnpike roads turnpike trusts velocity Vignette Titles vols waggon weight wheels whole wing walls Woodcuts yards
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