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" Oil, made by the same firm, yielded for a coefficient of friction as the result of five different trials, .1246, .1195, .1297, .1201, .1221: mean, 1233. Much of the irregularity, slight as it is, is due to the variable speed of the engine. Concurrent... "
Transactions - Page 42
1879
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Transactions of the American Society of Mechanical Engineers

American Society of Mechanical Engineers - Mechanical engineering - 1880
...mean, 1233. Much of the irregularity, slight as it is, is due to the variable speed of the engine. Concurrent results were obtained under equal circumstances,...friction varies in an inverse ratio with the pressure, as shown graphically on diagram C. The variation of friction with the temperature is shown, graphically,...
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Summarized Proceedings ... and a Directory of Members, Part 1

American Association for the Advancement of Science - Science - 1881
...mean, .1233. Much of the irregularity, slight as it is, is due to the variable speed of the engine. Concurrent results were obtained under equal circumstances,...friction varies in an inverse ratio with the pressure as shown graphically on diagram C. Tem.perfflLt-u.re. The variation of friction with the temperature...
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Proceedings of the American Association for the ..., Volume 29, Part 1880

American Association for the Advancement of Science - 1881
...mean, .1233. Much of the irregularity, slight as it is, is due to the variable speed of the engine. Concurrent results were obtained under equal circumstances,...friction varies in an inverse ratio with the pressure as shown graphically on diagram C. The variation of friction with the temperature is shown graphically...
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Proceedings of the American Association for the Advancement of Science, Issue 29

1881
...mean, .1233. Much of the irregularity, slight as it is, is due to the variable speed of the engine. Concurrent results were obtained under equal circumstances,...pressure, and velocity. The results of my own experiments 0:1 mediate friction do not agree with the laws of friction as given in works on mechanics, but the...
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Science, Volume 1

John Michels - Science - 1880
...irregularity was due to the variable speed of the engine. The results were remarkably uniform, but they do not agree with the laws of friction, as given in...friction varies in an inverse ratio with the pressure. Friction varies as the area, because the adhesiveness of the lubricant is proportional to the area,...
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Railway Master Mechanic, Volume 4

1881
...mean, .1233. Much of the Irregularity, slight as it is, is due to the variable speed of the engine. Concurrent results were obtained under equal circumstances,...friction varies In an inverse ratio with the pressure, as shown graphically on diagram C. The variation of friction with the temperature s shown, graphically,...
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A Text-book on Applied Mechanics: Specially Arranged for the Use ..., Volume 1

Andrew Jamieson - Mechanical engineering - 1895
...) on "Measurement of the Friction of Lubricating Oils." He states that his experiments proved that the coefficient of friction varies in an inverse ratio with the pressure for high speed lightly-loaded spindles. Further, that the coefficient of friction at 15UF. was about...
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A Text-book of Applied Mechanics and Mechanical Engineering, Volume 1

Andrew Jamieson - Mechanics, Applied - 1903
...etseq.) on "Measurement of the Friction of Lubricating Oils." He states that his experiments proved that the coefficient of friction varies in an inverse ratio with the pressure for high speed lightly.loaded spindles. Further, that the coefficient of friction at 150 F. was about...
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Science, Volume 1

John Michels - Science - 1880
...irregularity was due to the variable speed of the engine. The results were remarkably uniform, but they do not agree with the laws of friction, as given in...friction varies in an inverse ratio with the pressure. Friction varies as the area, because the adhesiveness of the lubricant is proportional to the area,...
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