Washington Paper - The Use of the Magnetic Needle in Searching for Magnetic Iron Ore

The American Institute of Mining, Metallurgical, and Petroleum Engineers
J. C. Smock
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The American Institute of Mining, Metallurgical, and Petroleum Engineers
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10
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452 KB
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Abstract

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The magnetic and polaric properties of magnetite, or magnetic iron ore: are fundamental facts in magnetism. The disturbing erect of this mineral upon the magnettic needle in land surveying must have been very early observed. The difficulties arising from this source are still almost insurmountable in making accurate surveys in districts where this ore occurs to any extent, either as a rock
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APA: J. C. Smock  Washington Paper - The Use of the Magnetic Needle in Searching for Magnetic Iron Ore

MLA: J. C. Smock Washington Paper - The Use of the Magnetic Needle in Searching for Magnetic Iron Ore. The American Institute of Mining, Metallurgical, and Petroleum Engineers,

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