 | Dennis Hart Mahan - 1846 - 380 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...outwards. The spaces between the blocks are filled with chippings of stone compactly set with a small hammer. A layer of broken stone, four inches thick, is... | |
 | Dennis Hart Mahan - 1855 - 446 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...outwards. The spaces between the blocks are filled with chippings of stone compactly set with a small hammer. A layer of broken stone, four inches thick, is... | |
 | Henry Law - 1855 - 180 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...surface of the pavement a slightly convex shape from the center outwards. The spaces between the blocks are filled with chippings of stone compactly set with... | |
 | Ohio State Board of Agriculture - 1870 - 740 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...surface of the pavement a slightly convex shape from the center outwards. The spaces between the blocks are filled with chippings of stone compactly set with... | |
 | Dennis Hart Mahan - 1867 - 428 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...small hammer. A layer of broken stone, four inches thfyk, is laid over this pavement, for a width of nine feet on each side of the centre ; no fragment... | |
 | Ohio State Board of Agriculture - 1870 - 736 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...surface of the pavement a slightly convex shape from the center outwards. The spaces between the blocks are filled with chippings of stone compactly set with... | |
 | Dennis Hart Mahan - 1871 - 468 páginas
...(Fig. 155) is formed by excavating the surface of the ground to a suitable depth, and preparing the form for the pavement with the precautions as for...bases as practicable ; and blocks of a suitable size arc selected to give the surface of the pavement a slightly convex shape from the centre outwards.... | |
 | Dennis Hart Mahan - 1873 - 560 páginas
...sides. The base of each block should not measure more than five inches, and the top not less than fonr inches. The blocks are set by the hand, with great...outwards. The spaces between the blocks are filled with chippings of stone compactly set witli a small hammer. A layer of broken stone, four inches thick,... | |
 | Dennis Hart Mahan - 1873 - 560 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand, with great care, as closely in contact at their liases as practicable ; and blocks of a suitable size are selected to give the surface of the pavement... | |
 | Dennis Hart Mahan - 1875 - 636 páginas
...at the sides. The base of each block should not measure more than five inches, and the top not less than four inches. The blocks are set by the hand,...centre outwards. The spaces between the blocks are tilled with drippings of stone compactly set with a small hammer. A layer of broken stone, four inches... | |
| |
The base of each block should not measure more than five inches, and the top not loss than four inches. The blocks are set by the hand, with great care, as closely in contact at their bases as practicable ; and blocks of a suitable size are selected to... 
