Faraday, Thomson, and the Concept of the Magnetic Field

  title={Faraday, Thomson, and the Concept of the Magnetic Field},
  author={David C. Gooding},
  journal={The British Journal for the History of Science},
  pages={91 - 120}
  • D. Gooding
  • Published 1 July 1980
  • Physics
  • The British Journal for the History of Science
In June 1849 William Thomson (Later Lord Kelvin) wrote to Michael Faraday suggesting that the concept of a uniform magnetic field could be used to predict the motions of small magnetic and diamagnetic bodies. In his letter Thomson showed how Faraday's lines of magnetic force could represent the effect of the ‘conducting power’ for magnetic force of matter in the region of magnets. This was Thomson's extension to magnetism of an analogy between the mathematical descriptions of the distribution… 
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