 | New England Water Works Association - Water-supply - 1902 - 508 pages
...any tendency to scale off. Each casting shall be heated to a temperature of 300 degrees Fahrenheit immediately before it is dipped, and shall possess...The varnish shall be heated to a temperature of 300 degrees Fahrenheit (or less, if the engineer shall so order) and shall be maintained at this temperature... | |
 | William Hubert Burr - Building materials - 1903 - 1146 pages
...nor with any tendency to scale off. Each casting shall be heated to a temperature of 300° Fahrenheit immediately before it is dipped, and shall possess...varnish shall be heated to a temperature of 300° Fahrenheit (or less, if the engineer shall so order), and shall be maintained at this temperature during... | |
 | William Hubert Burr - Building materials - 1903 - 1144 pages
...nor with any tendency to scale off. Each casting shall be heated to a temperature of 3000 Fahrenheit immediately before it is dipped, and shall possess...minutes. The varnish shall be heated to a temperature of 3000 Fahrenheit (or less, if the engineer shall so order) , and shall be maintained at this temperature... | |
 | William Hubert Burr - Building materials - 1903 - 1148 pages
...this temperature at the time it is put in the vat. The ovens in which the pipes are heated shall br so arranged that all portions of the pipe shall be...varnish shall be heated to a temperature of 300° Fahrenheit (or less, if the engineer shall so order), and shall be maintained at this temperature during... | |
 | William Hubert Burr - Building materials - 1903 - 1162 pages
...vat. The ovens in which the castings are heated shall be so arranged that all portions of the casting shall be heated to an even temperature. Each casting shall remain in the bath at least five (5) minutes. The varnish shall be heated to a temperature of three hundred (300) degrees Farhenheit,... | |
 | Iron - 1904 - 704 pages
...any tendency to scale off. Each casting shall be heated to a temperature of 300 degrees Fahrenheit immediately before it is dipped, and shall possess...casting shall remain in the bath at least five minutes. 432 Fresh pitch and oil shall be added when necessary to keep the mixture at the proper consistency,... | |
 | United States Cast Iron Pipe and Foundry Co - Cast-iron pipe - 1906 - 168 pages
...shall be so arranged that all • This Company will make pipe under higher metal tests when desired. 39 portions of the pipe shall be heated to an even temperature....The varnish shall be heated to a temperature of 300 degrees Fahrenheit (or less if trie engineer shall so order), and shall be maintained at this temperature... | |
 | Nisbet Latta - Gas manufacture and works - 1907 - 504 pages
...heated to a temperature of 300 degrees Fahrenheit immediately before it is dipped, and shall possess less than this temperature at the time it is put in...The varnish shall be heated to a temperature of 300 degrees Fahrenheit (or less if the engineer shall so order), and shall be maintained at this temperature... | |
 | American Society for Testing Materials - Building materials - 1910 - 326 pages
...coal-tar pitch varnish. The varnish shall be made from coal tar. To this material sufficient oil shall be added to make a smooth coating, tough and tenacious...temperature during the time the casting is immersed. of its contents and refilled with fresh pitch when deemed necessary by the engineer. After being coated,... | |
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Fahrenheit immediately before it is dipped, and shall possess not less than this temperature at the time it is put in the vat. The ovens in which the pipes are heated shall be so arranged that all portions of the pipe shall be heated to an even temperature.... 
