 | William John Macquorn Rankine - 1863 - عدد الصفحات: 810
...generally rectangular, and built in courses of an uniform depth, which is seldom less than a foot. In order that the stones may not be liable to be broken across,; 110 stone of a soft material, such as the weaker kinds of sandstoijt and granular limestone, should... | |
 | William John Macquorn Rankine - 1867 - عدد الصفحات: 858
...gcuerally rectangular, and built iu courses of an uniform depth, which is seldom less than a foot. In order that the stones may not be liable to be broken across, no stone of a soft material, such us the weaker kinds of sandstone and granular limestone, should have a length greater than 3 times... | |
 | Percy Gaillemard L. Smith - 1875 - عدد الصفحات: 264
...must also be regulated according to the facilities that are available for moving and setting them. Rule for the proportion of stones. — "In order that...sandstone, and granular limestone, should have a length greatlr than 3 times its depth. In harder materials, the length may be 4 or 5 times the depth. The... | |
 | J. E. Shields - 1877 - عدد الصفحات: 172
...generally rectangular, and built in courses of an uniform depth, which is seldom less than a foot. In order that the stones may not be liable to be broken...stone of a soft material, such as the weaker kinds of sand stone and granular lime stone, should have a length greater than three times its depth; • in... | |
 | Park Benjamin - 1880 - عدد الصفحات: 1184
...of the stone, and must also be regulated according to the facilities that are available for moving and setting them. The following is Rankine's rule for the proportion of stones : " In order (kit the stones may not be liable to be broken across, no stone of a soft material, such as the weaker... | |
 | Park Benjamin - 1884 - عدد الصفحات: 1008
...of the stone, and must also be regulated according to the facilities that are available for moving and setting them. The following is Rankine's rule...kinds of sandstone and granular limestone, should havp a length greater than 3 times its depth. In harder materials the length may be 4 or B times the... | |
 | Ira Osborn Baker - 1889 - عدد الصفحات: 588
...depends upon the size of the blocks in each course, upon the accuracy of the dressing, and upon the bond. In order that the stones may not be liable to be broken across, no soft stone, such as the weaker kinds of sandstone and granular limestone, should have a length greater... | |
 | Ira Osborn Baker - 1889 - عدد الصفحات: 592
...depends upon the size of the blocks in each course, upon the accuracy of the dressing, and upon the bond. In order that the stones may not be liable to be broken across, no soft stone, such as the weaker kinds of sandstone and granular limestone, should have a length greater... | |
 | Austin Thomas Byrne - 1898 - عدد الصفحات: 574
...rectangular, and built in courses of uniform height 01 rise, which is seldom less than n foot. SIZE OF THE STONES. —In order that the stones may not be liable...material, such as the weaker kinds of sandstone and granulur limestone, should have a length greater than 3 times its depth or rise; in harder materials... | |
 | American School of Correspondence, Chicago, Alfred Edward Phillipps, Austin Thomas Byrne - 1907 - عدد الصفحات: 154
...rectangular, and built in courses of uniform height or rise, which is seldom less than a foot. Size of the Stones. In order that the stones may not be liable...should have a length greater than 3 times its depth or rise; in harder materials the length may be 4 to 5 times the depth. The breadth in soft materials,... | |
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Stones. In order that the stones may not be liable to be broken across, no stone of a soft material, such as the weaker kinds of sandstone and granular limestone, should have a length greater than 3 times its depth or rise; in harder materials the length... 
