1819 – a massacre and a missed opportunity

This article looks at the first report of the Commissioners appointed early in the nineteenth century to consider weights and measures. It gives examples of the reasons why the Commission was appointed, comments on some of its recommendations, and then speculates on an alternative outcome had the Commission taken a different view.

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Watch “Decimalisation (1970)” on YouTube

Our last article, on the subject of the decimal currency changeover in 1971, attracted several comments from our readers, one of which drew to attention to a film relating to the event. For technical reasons, it is not possible to post this after the original article, and so the Editor has decided to feature it in a new post.

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How British metallurgists helped to make the first international kilogram

We reported a few weeks ago on the redefinition of the kilogram. In this article, Martin Vlietstra, one of our regular contributors, outlines Britain’s contribution to the creation of the prototype kilogram upon which the definition had relied since 1889.

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