 | New Hampshire. State Department of Health - 1886 - 338 pages
...scale off. 23. Each casting shall be heated to a temperature of three hundred degrees, Fahrenheit, immediately before it is dipped, and shall possess...than this temperature at the time it is put in the bath. Each casting shall remain- in the bath at least thirty minutes. 24. The pitch shall be heated... | |
 | 1886 - 340 pages
...scale off. ' 23. Each casting shall be heated to a temperature of three hundred degrees, Fahrenheit, immediately before it is dipped, and shall possess...than this temperature at the time it is put in the bath. Each casting shall remain in the bath at least thirty minutes. 24. The pitch shall be heated... | |
 | R.D. Wood & Company - 1901 - 196 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...of the pipe shall be heated to an even temperature. The varnish shall be heated to a temperature of 300 degrees Fahrenheit, and shall be maintained at... | |
 | New England Water Works Association - 1902 - 508 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...pipe shall be heated to an even temperature. Each easting shall remain in the bath at least five minutes. The varnish shall be heated to a temperature... | |
 | William Hubert Burr - 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 - 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...minutes. The 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... | |
 | William Hubert Burr - 1903 - 1148 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...vat. The ovens in which the pipes are heated shall br so arranged that all portions of the pipe shall be heated to an even temperature. Each casting shall... | |
 | William Hubert Burr - 1903 - 1162 pages
...Heating. 1 6. Each casting shall be heated to a temperature of three hundred (300) degrees Farenheit immediately before it is dipped, and shall possess...time it is put in the 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... | |
 | 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,... | |
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F. 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. Each... 
