...a smooth hard surface by rolling or by traflh'. Mr. Win. H. Grant, Superintending Engineer of the N York Central Park, in his report upon the park roads,...of rolling and compression, would not consolidate ill the effectual manner required for the surface of a road, while entirely isolated from, and independent...

...was not pushed beyond this point. It * Vide ' Roads, Streets, and Pavements,' by QA Gillmore, p. 89. was conclusively shown, that broken stones of the...rolling and compression, would not consolidate in the effectual manner required for the surface of a road while entirely isolated from and independent...

...feet. No amount of rolling was sufficient to produce a thorough, binding upon the stones, or to cause a mechanical union and adjustment of their sides and...that broken stones of the ordinary sizes and of the best quality for wear and durability, with the greatest care and attention to all the necessary conditions...

...excessive attrition they were subjected to, their more regular parts wearing away, and the weaker and more smaller ones being crushed. The experiment was not pushed beyond this point. It was shown that broken stone of the ordinary sizes and of the best quality for wear and durability would...

...smooth hard surface by rolling or by traffic. Mr. Win. H. Grant, Superintending Engineer of the New Vork Central Park, in his report upon the park roads, says,...rolling and compression, would not consolidate in the effectual manner required for the surface of a road, while entirely isolated from, and independent...

...5 ton-miles are thought necessary. t Vide ' Roads, Streets, and Pavements,' by QA Gillmore, p. 89. to assist each other in resisting displacement. The...rolling and compression, would not consolidate in the effectual manner required for the surface of a road while entirely isolated from and independent...

...rolling was sufficient to produce a thorough binding upon the stones, or to cause a mechanical union aud adjustment of their sides and angles together as to...that broken stones of the ordinary sizes and of the best quality for wear and durability, with the greatest care and attention to all the necessary conditions...

...surface as would prevent the stones from loosening and being displaced by the action of waggon-wheels and horses' feet. No amount of rolling was sufficient...quality for wear and durability, with the greatest care arid attention to all the necessary conditions of rolling and compression, would not consolidate in...

...such a surface as would prevent the stones from loosening and being displaced by the action of the wagon wheels and horses' feet. No amount of rolling...conclusively shown, that broken stones of the ordinary size, and of the very best quality for •wear and durability, with the greatest care and attention...

...The rolling was persisted in vith the roller adjusted to different weights up to the maximum lisad (12 tons), until it was apparent that the opposite...that broken stones of the ordinary sizes and of the best quality for wear and durability, with the greatest care and attention to all the necessary conditions...