A Treatise on Electromagnetic Phenomena, and on the Compass and Its Deviations Aboard Ship: Mathematical, Theoretical, and Practical, Volume 2J. Wiley & Sons, 1903 - Compass |
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Page 570
... mass that must be moved by the force of magnetism resident in the needles ; and the weight of this mass not only contributes nothing to the accuracy of the compass , but is in conflict with it , tending to keep the card at rest when ...
... mass that must be moved by the force of magnetism resident in the needles ; and the weight of this mass not only contributes nothing to the accuracy of the compass , but is in conflict with it , tending to keep the card at rest when ...
Page 571
... mass must be below the point of suspension , and symmetry of material should be kept in view ; that is , for each particle on the right of a vertical plane through the magnetic axis of the system , there should be another particle equal ...
... mass must be below the point of suspension , and symmetry of material should be kept in view ; that is , for each particle on the right of a vertical plane through the magnetic axis of the system , there should be another particle equal ...
Page 574
... mass of steel - the former may be said to fix them as a rigid conglomerate , the latter to turn them into a symmetrical form ; and it would seem reasonable that high tension electricity should produce the best effects - that the sharp ...
... mass of steel - the former may be said to fix them as a rigid conglomerate , the latter to turn them into a symmetrical form ; and it would seem reasonable that high tension electricity should produce the best effects - that the sharp ...
Page 583
... mass , form , and strength : bars , plates , and needles - all hardened steel . The following is a particular description of them , the numbers corresponding to col . ( 1 ) of table 29 : 1. com- bination of 24 bars ; 2. the same , with ...
... mass , form , and strength : bars , plates , and needles - all hardened steel . The following is a particular description of them , the numbers corresponding to col . ( 1 ) of table 29 : 1. com- bination of 24 bars ; 2. the same , with ...
Page 585
... mass , the method by Oscillation is absolutely correct : an example will therefore be given in Table 30 , from Scoresby , of the TABLE 30 . COMPARISON OF THE TANGENT AND SINE METHODS OF DEFLECTION WITH THAT BY OSCILLATION . TANGENT ...
... mass , the method by Oscillation is absolutely correct : an example will therefore be given in Table 30 , from Scoresby , of the TABLE 30 . COMPARISON OF THE TANGENT AND SINE METHODS OF DEFLECTION WITH THAT BY OSCILLATION . TANGENT ...
Other editions - View all
A Treatise on Electromagnetic Phenomena, and on the Compass and ..., Volume 1 Timothy Augustine Lyons No preview available - 2018 |
A Treatise on Electromagnetic Phenomena, and on the Compass and Its ... Timothy Augustine Lyons No preview available - 2015 |
Common terms and phrases
angle axis azimuth Bearing of True binnacle brass center of gravity circle coefficients cols compass course compensating component cos² cosine D.sin deflected needle Deviations Produced diameter dip circle distance disturbing dygogram Earth east effect equal equations error ether waves experiments formula four needles heeling hence horizontal inches induced inertia keel length Line on Wall magnetic course magnetic force magnetic moment mass maxima and minima means method moment of inertia motion netic observations obtained oscillation period of oscillation permanent magnetism pivot placed plane plates polarity pole quantities radius represent S₁ S₂ second member semicircle semicircular sextantal ship swings ship's head side sin² sine soft iron south pole starboard steel magnet strength Substituting swung tion True Meridian Line tube varied versin vertical whence wire ΙΟ
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