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" The screw is a spiral thread or groove cut round a cylinder, and every where making the same angle with the length of it. So that if the surface of the cylinder, with this spiral thread on it, were unfolded and stretched into a plane, the spiral thread... "
A Course of Mathematics: In Two Volumes : for the Use of Academies, as Well ... - Page 167
by Charles Hutton - 1816
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811 - 442 pages
...on the back of a wedge, is incomparably greater than any mere pressure, and will overcome it. OF Or THE SCREW. 200. THE SCREW is one of the six mechanical...spiral thread or groove cut round a cylinder, and everywhere making the same angle with the length . of it. So that if the surface of the cylinder, with...
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A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - 1811 - 494 pages
...incomparably greater than any mere pressure, and will overcome it. THE SCREW. l«f OF THE SCREW. 2OO. THE SCREW is one of the six mechanical powers, chiefly...spiral thread or groove cut round a cylinder, and everywhere making the same angle with the length, of it. So that if the surface of the cylinder, with...
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A Philosophical and Mathematical Dictionary: Containing an ..., Volume 2

Charles Hutton - 1815 - 686 pages
...Scott died the /ih of December, 1780. SCREW, one of the six mechanical powers; chiefly used in pressing bodies close, though sometimes also in raising weights....spiral thread or groove cut round a cylinder, and everywhere making the same angle with the length of it. So that, if the surface of the cylinder, with...
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A Course of Mathematics for the Use of Academies, as Well as Private Tuition

Charles Hutton - 1822 - 680 pages
...incomparably greater than any mere pressure, an4 will overcome it, OF THE SCREW. 200. THE SCREW is one of six mechanical powers, chiefly used in pressing or...thread on it, were unfolded and stretched into a plane, the spiral thread would form a straight inclined plane, whose length would be to its height, as the...
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Universal Technological Dictionary: Or, Familiar Explanations of ..., Volume 2

George Crabb - 1823 - 704 pages
...combination of the lever and the inclined plane, and is principally used in pressing bodies together; but sometimes also in raising weights. The screw is a...spiral thread, or groove, cut round a cylinder, and is distinguished into male or female. When the spiral thread is upon the outside of a cylinder the...
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A Dictionary of the Military Science: Containing an Explanation of the ...

E. S. Norman Campbell - 1830 - 304 pages
...as is evident from the greater effect produced by a drawing stroke than a direct action of the edge. The Screw is a spiral thread or groove, cut round a cylinder, making everywhere the same angle with its length. It is chiefly used in compressing or squeezing bodies,...
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The North American Arithmetic: Part Third, for Advanced Scholars, Volume 3

Frederick Emerson - 1834 - 300 pages
...which is to be overcome, to be equal to the force effected, what power will be necessary ? THE SCREW. The screw is a spiral thread or groove, cut round...every where making the same angle with the length of the cylinder. In one round of the spiral, it rises along the cylinder, the distance between two threads....
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The North American Arithmetic: For Advanced Scholars. part third

Frederick Emerson - 1839 - 300 pages
...which is to be overcome, to be equal to the force effected, what power will be necessary ' THE SCREW. The screw is a spiral thread or groove, cut round...every where making the same angle with the length of the cylinder. In one round of the spiral, it rises along the cylinder, the distance between two threads....
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The artillerist's manual, and compendium of infantry exercise

Frederick Augustus Griffiths - 1839 - 348 pages
...squeezing bodies close, though sometimes also in raising weights. It is a spiral thread or groove cutround a cylinder, and every where making the same angle with the length of it . The force of a power applied to turn a screw round is to the force with which it presses upward or...
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The artillerist's manual, and compendium of infantry exercise

Frederick Augustus Griffiths - 1840 - 436 pages
...is chiefly used in pressing, or squeezing bodies close, though sometimes also in raising weights. It is a spiral thread or groove cut round a cylinder,...where making the same angle with the length of it. The force of a Power applied to turn a screw round is to the force with which it presses upward or...
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