Letter | Published:

Dimensions of Fundamental Units

Nature volume 130, page 368 (03 September 1932) | Download Citation

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Abstract

THE recent world-wide discussions upon the electrical and magnetic units and their dimensions have focused attention once more upon the discrepancies which occur in the various textbooks. It has always seemed to me that there was no justification for regarding the three magnitudes, mass, length, and time, as necessarily fundamental, and a system in which quantities expressed in those dimensions have fractional indices is unsatisfactory. If we take the course of regarding quantity of electricity as a fundamental, and introduce Q for its dimension, we get the following table :

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Affiliations

  1. The University, Edgbaston, Birmingham, Aug. 9.

    • WILLIAM CRAMP

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DOI

https://doi.org/10.1038/130368c0

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