 | Harmon Howard Rice, William M. Torrance - 1905 - 132 страница
...spanning over 4 ft. 6 ins. in the clear shall rest on solid concrete blocks. 9. Provided, that no hollow concrete building blocks shall be used in the construction of any building in the City of Philadelphia, unless the maker of said blocks has submitted his product to the full test required by... | |
 | Harmon Howard Rice - 1906 - 178 страница
...the clear shall rest on solid concrete blocks. 9. Provided that no hollow concrete building-blocks shall be used in the construction of any building in the city of Philadelphia unless the maker of said blocks has submitted his product to the full test required by... | |
 | Harmon Howard Rice - 1906 - 198 страница
...the clear shall rest on solid concrete blocks. 9. Provided that no hollow concrete building-blocks shall be used in the construction of any building in the city of Philadelphia unless the maker of said blocks has submitted his product to the full test required by... | |
 | Louis Carlton Sabin - 1907 - 596 страница
...over four feet six inches in the clear shall rest on solid concrete blocks. 9. Provided that no hollow concrete building blocks shall be used in the construction of any building in the city of Philadelphia, unless the maker of said blocks has submitted his product to the full test required by... | |
 | Baltimore (Md.) - 1908 - 514 страница
...on solid concrete blocks or solid wall. Cqi'nrede" PAR. 9. Provided that no concrete build- 679 ing blocks shall be used in the construction of any building in the city of Baltimore unless that maker of said blocks has submitted his product to the full test required by the... | |
 | Charles Palliser - 1908 - 88 страница
...blocks in which the ratio of cement to sand be one-third (J) (1 part cement to 3 parts sand) shall not be used in the construction of any building in the (City) of , until they Concrete hollow blocks in which the ratio of cement to sand be one-half ($) (1 part cement... | |
 | Medford (Mass.) - 1909 - 356 страница
...over four feet six inches in the clear shall rest on solid concrete blocks. Provided, that no hollow concrete building blocks shall be used in the construction of any building in the City of Medford, unless the maker of said blocks has submitted his product to the full test required by the... | |
 | Frank Eugene Kidder - 1909 - 998 страница
...Testing Blocks and Filing Certificates. — Provided: that no 'hollow concrete building blocks are to be used in the construction •of any building in the City of Philadelphia, unless the maker of said blocks has submitted his product to the full test required by... | |
 | William A. Radford - 1909 - 184 страница
...which the ratio of cement to sand be onethird (1-3), (one part cement to three parts sand,) shall not be used in the construction of any building in the (City) of (Town) of until they have attained the age of not less than three (3) weeks. Concrete hollow blocks... | |
 | 1911 - 262 страница
...shall rest on solid concrete blocks. Sect. 413. Blocks to be Tested Provided, that no hollow concrete blocks shall be used in the construction of any building in the city of Manchester unless the maker of said blocks has submitted the product to the full test required by this... | |
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Inspection a certificate from a reliable testing laboratory showing that samples from the lot of blocks to be used have... 
