 | National Academy of Sciences (U.S.) - 1865 - عدد الصفحات: 412
...opportunities ; our architects will then know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and...of their publication will be fully accomplished." A subject of such vital importance in the art of construction as the composition of mortars could not... | |
 | National Academy of Sciences (U.S.) - 1866 - عدد الصفحات: 144
...opportunities ; our architects will then know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and...of their publication will be fully accomplished." A subject of such vital importance in the art of construction as the composition of mortars could not... | |
 | United States. Congress. House - 1866 - عدد الصفحات: 540
...opportunities ; our architects will theu know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and...object of their publication will be fully accomplished. " A subject of such vital importance in the art of construction as the composition of mortars could... | |
 | Smithsonian Institution. Board of Regents - 1866 - عدد الصفحات: 508
...opportunities ; our architects will then know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and in the dark, as they now too of;en do, they will be guided by the sure light of practical science to certain and definite results.... | |
 | Smithsonian Institution. Board of Regents - 1866 - عدد الصفحات: 506
...our architects will then know with certainty the qualities of the different kinds of woods they arc using, and instead of working at hazard and in the dark, as they now too ofien do, they will be guided by the sure light of practical science to certain and definite results.... | |
 | National Academy of Sciences (U.S.) - 1877 - عدد الصفحات: 370
...opportunities ; our architects will then know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and...of their publication will be fully accomplished." A subject of such vital importance in the art of construction as the composition of mortars could not... | |
 | Smithsonian Institution - 1880 - عدد الصفحات: 902
...our architects will then know with certainty the qualities of the different kinds of woods they arc using, and instead of working at hazard and in the...object of their publication will be fully accomplished. " A subject of such vital importance in the art of construction as the composition of mortars could... | |
 | 1880 - عدد الصفحات: 874
...opportunities ; our architects will then know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and...light of practical science to certain and definite resnlts. If these experimente contribute ever so little to the attainment of so important a result,... | |
 | Smithsonian Institution - 1880 - عدد الصفحات: 876
...opportunities ; our architects will then know with certainty the qualities of the different kinds of woods they are using, and instead of working at hazard and in the dark, as they now top often do, they will be guided by the sure light of practical science to certain and definite results.... | |
 | Smithsonian Institution. Board of Regents - 1866 - عدد الصفحات: 510
...our architects will then know with certainty the qualities of the different kinds of woods they arc using, and instead of working at hazard and in the...object of their publication will be fully accomplished. " A subject of such vital importance in the art of construction as the composition of mortars could... | |
| |
... are inapplicable to American timber, though bearing the same name. It is much to be desired that numerous and accurate experiments be made in this country by those having the requisite zeal and opportunities ; our architects will then know with certainty... 