In 1883, it was determined jointly by the standards department of the British Board of Trade and the Bureau International that was a better approximation, and this figure, rounded to was given legal status by an Order in Council in May 1898.
In 1883 it was determined jointly by the standards department of the British Board of Trade and the Bureau International that was a better approximation and this figure, rounded to was given legal status by an Order in Council in May 1898.