Rudimentary Magnetism; Being a Concise Exposition of the General Principles of Magnetical Science and the Purposes to which it Has Been AppliedLockwood, 1875 - 412 pages |
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annexed fig antimony attraction axis azimuth bismuth brass centre circle cloth boards coil compass construction copper curves cylinder D. K. CLARK declination deflection degree determined deviation dia-magnetic diameter dipping needle direction disturbance earth Edition electrical electrical currents electro-magnetic employed Engineering experiment extremity fixed given hence HENRY LAW horizontal needle Illustrations inclination induction instrument intensity isoclinal lines lines of force lodestone magnetic bar magnetic force magnetic meridian magnetic needle magnetic poles magnetometer mass means meridian metal method motion moveable netic north pole obliquity Observatory observed obtain opposite poles oscillation particles phenomena placed plane plate polarity position Practical quantity RALPH TATE ratio represented repulsive Royal Rudimentary SCOTT BURN secular change ship similar soft iron south pole square steel substance suppose surface suspended termed terrestrial magnetic tion Treatise variation vertical vibrations voltaic whilst wire
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