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1860-1869::1867::12::03 in date 
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From:
William Hallowes Miller
To:
Sir John Herschel
Date:
[3] December 1867
Source of text:
TxU:H/M-0371; Reel 1087
Summary:

Compares values obtained by various observers in measuring new standards of weight and length.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 December 1867]
Source of text:
TxU:H/M-0643.3 (C: RGO 6.359.545)
Summary:

Thanks JH for his useful letter [see JH's 1867-12-2]; it will be of value to the Commission on Weights and Measures.

Contributor:
John Herschel Project