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Comparisons of standard bars, 1847 - 1857

Reference Code: GBR/0180/RGO 6/354

Scope and Contents

Comparisons by R. Sheepshanks of individual experimental standard bars made from bronze, brass, copper and iron at various regulated temperatures. Most of the comparisons are with 'Bronze 28', although some are with 'Bronze 12'. The volume also includes statements on the means used to find the exact length of the imperial yard; methods of observations; tables of the co-efficients of the expansion of bronze, brass and iron; a report for the Royal Society; and a list of destinations for the bars.


  • Creation: 1847 - 1857


Conditions Governing Access

From the Management Group:

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1 volume(s) (1 volume)

Language of Materials


Former / Other Reference


Finding aid date

2006-01-06 11:41:16+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom