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" ... from its centre perpendicular to its direction : the experiments of vibration consist in suspending the magnet which was used as the deflecting magnet in the experiments of deflection, and observing its time of vibration. By the first part of the... "
A Collection of Tables and Formulæ Useful in Surveying, Geodesy and ... - Page 129
by Thomas Jefferson Lee - 1853 - 242 pages
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A Treatise on Trigonometry, Plane and Spherical: With Its Application to ...

Charles William Hackley - Trigonometry - 1851 - 524 pages
...HORIZONTAL rNTBNSDT Requires for its determination, 1, experiments of deflexion, 2, of vibration. The former give the ratio of the magnetic moment of the deflecting magnet to the horizontal intensity, the latter the product of the same quantities, and their separate value is obtained by algebraic elimination....
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A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her ...

John Frederick William Herschel - Life sciences - 1851 - 574 pages
...its time of vibration. By the first part of the process (or the experiments of deflection) we obtain the ratio of the magnetic moment of the deflecting magnet to the Earth's horizontal magnetic force at the place of observation ; the latter being to the former as 1...
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A manual of scientific enquiry, prepared for the use of her majesty's navy ...

Great Britain. Admiralty - 1871 - 424 pages
...time of vibration. By the first part of the process (or the experiments ' of deflection) we obtain the ratio of the magnetic moment of the deflecting magnet to the Earth's horizontal magnetic force at the place of observation ; the latter being to the former as 1...
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A Manual of Scientific Enquiry: Prepared for the Use of Officers in Her ...

John Frederick William Herschel, Robert Main - Scientific expeditions - 1871 - 420 pages
...its time of vibration. By the first part of the process (or the experiments of deflection) we obtain the ratio of the magnetic moment of the deflecting magnet to the Earth's horizontal magnetic force at the place of observation ; the latter being to the former as 1...
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Conferences Held in Connection with the Special Loan Collection of ...

South Kensington Museum - Scientific apparatus and instruments - 1876 - 462 pages
...— at right angles to it — and at two or more distances from it. This process of deflection gives the ratio of the magnetic moment of the deflecting magnet to the earth's horizontal magnetic force. The deflecting magnet is now removed from the bar, suspended in...
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The Electric Current: How Produced and how Used

Robert Mullineux Walmsley - Electric power - 1894 - 804 pages
...noting the time of an oscillation when under the action of the earth alone. The first observation gives the ratio of the magnetic moment of the deflecting magnet to the magnetic force of the earth ; the second gives a result depending upon the product of these two quantities....
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