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 570
... strength , which would reduce her ancient prototype to a wreck of splinters at the first broadside ; and yet the compass is no less the soul - the guiding spirit of the one than of the other - enabling an OREGON to find her way from ...
... strength , which would reduce her ancient prototype to a wreck of splinters at the first broadside ; and yet the compass is no less the soul - the guiding spirit of the one than of the other - enabling an OREGON to find her way from ...
Page 571
... steel may be varied in form , quality , and temper , with corresponding varia- tions in its magnetic strength ; and as the least weight of metal for a specific degree of magnetism is the object PRINCIPLES OF MAGNETISM AND MECHANICS . 571.
... steel may be varied in form , quality , and temper , with corresponding varia- tions in its magnetic strength ; and as the least weight of metal for a specific degree of magnetism is the object PRINCIPLES OF MAGNETISM AND MECHANICS . 571.
Page 573
... strength : but all these means fall far short of the powerful effects of electricity . Bundles of the wires are prepared of the size eventually to be fixed on the card ; each bundle is held for a few seconds between the poles of an ...
... strength : but all these means fall far short of the powerful effects of electricity . Bundles of the wires are prepared of the size eventually to be fixed on the card ; each bundle is held for a few seconds between the poles of an ...
Page 575
... strength of the needles . When needles for a lot of compasses are required , an order is given the manufacturers ( Messrs . Ritchie of Boston ) to supply them ; and many more than the number actually needed are sent to the ...
... strength of the needles . When needles for a lot of compasses are required , an order is given the manufacturers ( Messrs . Ritchie of Boston ) to supply them ; and many more than the number actually needed are sent to the ...
Page 576
... strength while under trial . When finally passed , the date , weight , and strength are marked on the paper case . The four needles for each card are then selected , placed in a trial - card in the exact positions they will finally ...
... strength while under trial . When finally passed , the date , weight , and strength are marked on the paper case . The four needles for each card are then selected , placed in a trial - card in the exact positions they will finally ...
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 cosē 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 sinē 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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