| John Robison - Astronomy - 1822 - 766 pages
...the elastic force of the steam could be accurately determined ; and at your suggestion, to be assured that no inaccuracy had crept into the calculation,...lever was ascertained, an actual column of mercury of SO inches high was substituted, and the correspondence was found to be within ,;,,-,• of an inch.... | |
| John Scott Russell - Locomotives - 1841 - 400 pages
...the elastic force of the steam could be accurately determined ; and at your suggestion, to be assured that no inaccuracy had crept into the calculation...substituted, and the correspondence was found to be within foTJ °f an ™ cu " The observations at each of the points of pressure noted were continued some minutes,... | |
| English periodicals - 1847 - 566 pages
...the elastic force of the steam could be accurately determined; and at your suggestion, to be assured that no inaccuracy had crept into the calculation,...substituted, and the correspondence was found to be within -j-^u of an inch. The observations at each of the points of pressure noted were continued some minutes,... | |
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