A Treatise on Electricity and Magnetism Volume 1 473.jpg
en
A Treatise on Electricity and Magnetism Volume 1 473, Magnetic field lines, A Treatise on Electricity and Magnetism diagrams, A Treatise on Electricity and Magnetism Volume I
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ja
電気・磁気論集1巻473号、磁場線、電気・磁気図論、電気・磁気論集I巻
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nonmagnetic magnetism magnetically treatise magnetic line of force line of force tract tractive electrical system magnetic field