Letter | Published:

History of the British Thermal Unit

Nature volume 149, pages 525526 (09 May 1942) | Download Citation

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Abstract

A CERTAIN amount of interest appears to have arisen of late as to the history and definition of the British thermal unit. The position so far as we have been able to ascertain it is set out below, and it would seem that the British thermal unit under that name does not appear to have any very definite origin or legal definition.

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Affiliations

  1. Physics Department, National Physical Laboratory, Teddington.

    • R. W. POWELL

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DOI

https://doi.org/10.1038/149525a0

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