 | 1883 - 866 pages
...feet and a half through, he made one of at most ten inches in thickness; and for rocks and boulders he substituted stone broken small. His leading principle...impediment. Then people began to hear with wonder of roads thirty and forty feet wide rising only three inches in the centre ; and he propounded the extraordinary... | |
 | Stanley Harris - 1885 - 516 pages
...the condition of the roads was not said to be improved by the adoption of this system. Mr. McAdam's leading principle was that a road ought to be considered as an artificial flooring, forming a strong, smooth, solid surface capable of carrying great weights and over which carriages... | |
 | John Luther Ringwalt - 1888 - 532 pages
...a road 4J feet through, he made one of at most ten inches in thickness; and for rocks and boulders he substituted stone broken small. His leading principle...road ought to be considered as an artificial flooring BO strong and even as to let the heaviest vehicle pass over it without impediment. Then people began... | |
 | 1893 - 814 pages
...one-half feet through, he made one of, at most, ten inches in thickness; and for rocks and boulders he substituted stone broken small. His leading principle...impediment. Then people began to hear, with wonder, of roads thirty and forty feet wide, rising only three inches in the center, and he propounded the extraordinary... | |
 | United States. Bureau of Foreign and Domestic Commerce - 1895 - 800 pages
...he substituted stone broken small. His lending principle was that n mad ought to be considered as nn artificial flooring, so strong and even as to let...vehicle pass over it without impediment. Then people begun to hour with •wonder of roads 30 and 40 feet wide rising only 3 inches in the center, and he... | |
 | United States. Bureau of Foreign Commerce - 1899 - 1042 pages
...most 10 inches in thickness; and for rocks and 'From Special Consular Reports "Streets and Highways." bowlders he substituted stone broken small. His leading...propounded the extraordinary heresy that a better and more lusting road could be made over the naked surface of -a morass than over solid rock. Another of his... | |
 | 1892 - 1296 pages
...for rocks and bowlders ho substituted stone broken small. His leading principle was that a road onght to be considered as an artificial flooring, so strong...feet wide rising only 3 inches in the center, and be propounded the extraordinary heresy that a better and more lasting road could be made over the naked... | |
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... bowlders he substituted stone broken small. His leading principle was that a road ought to be considered as an artificial flooring, so strong and even as to let the heaviest vehicle pass over it without impediment. Then people began to hear with wonder... 