The Velocity of Light

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Scientific Paper
Title The Velocity of Light
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Author(s) Louis Essen
Keywords {{{keywords}}}
Published 1952
Journal Science Progress
Volume 40
No. of pages 17
Pages 54-70

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The importance of the velocity of light in the development of electrical theory and practice is sometimes overlooked and in this review special emphasis will therefore be given to this aspect of the work and to the determinations of the velocity by electrical methods. It will moreover be assumed at the outset that in accordance with theory the value is independent of the frequency of the waves. The electrical, radio, and optical methods are all measurements of the same constant and the different titles of the various papers are merely indications of the particular technique employed. If there are discrepancies in the results then the theory must be re-examined; but so far no significant discrepancies have been found...