| Meteorology - 1831 - 896 pages
...twenty pounds pressure, I conceive the danger of explosion nearly as great, as with those working at a pressure of one hundred and fifty pounds to the square inch, and in some instances greater, where the construction of the boilers is not adapted to carry more than... | |
| Eli Bowen - History - 1855 - 444 pages
...receive in consequence. 6. There must be a mercurial guage affixed to the machine, with index-rod, showing the steam pressure above fortyfive pounds per square inch. 7. The engine to be delivered complete for trial at the Liverpool end of the railway, not later than the 1st of October,... | |
| Samuel Smiles - Collection locomotives - 1857 - 576 pages
...able to draw after it, day by day, twenty tons weight (including the tender and water-tank) at ten miles an hour, with a pressure of steam on the boiler...The engine must be delivered, complete and ready for TS 276 LIFE OF GEORGE STEPHENSON. [CHAP. MI. trial, at the Liverpool end of the railway, not later... | |
| Charles Cist - Cincinnati (Ohio) - 1859 - 434 pages
...of seven gallons in an inconceivably short space of time. The safety valve on the machine indicates a pressure of one hundred and fifty pounds to the square inch. There are ten of these factories here, employing eighty hands ; value of product, one hundred and seventy-six... | |
| Vermont. Railroad Commissioner - Railroads and state - 1860 - 140 pages
...tons then it might be put on only four wheels. The company to be at liberty to test the boiler, etc., by a pressure of one hundred and fifty pounds to the square inch. 6. A mercurial guage must be affixed to the machine, showing the steanv pressure above forty-five pounds per square... | |
| Pharmacy - 1861 - 656 pages
...made tight, and a vacuum produced by an air pump, and the creosote injected into the pores of the wood by a pressure of one hundred and fifty pounds to the square inch, when as much ae eighteen pounds of creosote has been forced into a cubic foot. When ten pounds of creosote... | |
| Samuel Smiles - Engineers - 1862 - 552 pages
...tons, then it might be put on only lour wheels. The Company to Ixi at liberty to test the boiler, ctc., by a pressure of one hundred and fifty pounds to the...7. The engine must be delivered, complete and ready lor trial, at the Liverpool end of the railway, not later than the 1st of October, 184J9. S. The price... | |
| Locomotive engineers - 1907 - 600 pages
...put on only four wheels. The company to be at liberty to test the boiler, eto., by a pressure of 150 pounds to the square inch. 6. A mercurial gauge must...affixed to the machine, showing the steam pressure above 45 pounds to the square inch. 7. The engine must be delivered, complete aud ready for trial at the... | |
| Samuel Smiles - Locomotives - 1868 - 522 pages
...tons, then it might be put on only four wheels. The company to be at liberty to test the boiler, etc., by a pressure of one hundred and fifty pounds to the square inch. G. A mercurial gauge must be affixed to the machine, showing the steam pressure above forty-five pounds... | |
| Frederick Augustus Porter Barnard - Exposition universelle de 1867 à Paris - 1869 - 724 pages
...made at Vienna show that a leaky cast-iron pipe, when covered with a coating of this paint, withstood a pressure of one hundred and fifty pounds to the square inch without showing the smallest signs of porosity. There can be no doubt that a material of such useful... | |
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