Author： Price W. F.
Publisher： Maney Publishing
ISSN： 1752-2706
Source： Survey Review, Vol.28, Iss.219, 1986-01, pp. : 276-279
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Abstract
In October 1983 the metre was redefined as the distance travelled by light during a time interval of 1/299792458 of a second.The author explains why a change of definition was needed, and comments on the methods recommended for realising the metre using the new definition.
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