A Treatise on Electromagnetic Phenomena, and on the Compass and Its Deviations Aboard Ship: Mathematical, Theoretical, and Practical, Volume 2J. Wiley & Sons, 1903 - Compass |
From inside the book
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Page 559
... can scarcely recognize in the former the prototype of the latter . Such probable links , however , in the lineage as have received general , though not universal , acceptance , will 559 CHAPTER XIII: Historical Sketch.
... can scarcely recognize in the former the prototype of the latter . Such probable links , however , in the lineage as have received general , though not universal , acceptance , will 559 CHAPTER XIII: Historical Sketch.
Page 566
... latter obtained . Peregrinus combined the astrolabe with the bowl in which the needle floated , and thus produced the first instrument worthy the name of compass . He set the magnet in a diameter of the bowl , and marked on its rim both ...
... latter obtained . Peregrinus combined the astrolabe with the bowl in which the needle floated , and thus produced the first instrument worthy the name of compass . He set the magnet in a diameter of the bowl , and marked on its rim both ...
Page 574
... 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 , concentrated blow 574 MANUFACTURE OF THE COMPASS .
... 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 , concentrated blow 574 MANUFACTURE OF THE COMPASS .
Page 580
... latter is turned end for end and the deflection again noted and recorded ; the mean of both angles is taken , and the tan- T K M ' R F E R K T FIG . 375 . gent of this mean deflection is an index of the needle's strength compared with ...
... latter is turned end for end and the deflection again noted and recorded ; the mean of both angles is taken , and the tan- T K M ' R F E R K T FIG . 375 . gent of this mean deflection is an index of the needle's strength compared with ...
Page 581
... latter . The directive force of the Earth's magnetism may be represented by AF and the resultant force of ns - either a push or a pull according to the pole presented — by n'F , the magnet n's ' resting in equilibrium between both ; AF ...
... latter . The directive force of the Earth's magnetism may be represented by AF and the resultant force of ns - either a push or a pull according to the pole presented — by n'F , the magnet n's ' resting in equilibrium between both ; AF ...
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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