Search: 1860-1869::1867::11 in date 
letter in document-type 
Airy, George Biddell in author 
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Herschel1821

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 November 1867]
Source of text:
TxU:H/M-0643.1 (C: RGO 6.359.537)
Summary:

Provides JH with best definition that GA has available for the gallon [see JH's 1867-11-3], noting that methods for establishing standards are revised, even if the standards supposedly are not.

Contributor:
John Herschel Project

Herschel1822

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 November 1867]
Source of text:
TxU:H/M-0643.2 (C: RGO 6.359.542)
Summary:

Writes to acknowledge receipt of letter [see JH's 1864-11-25], but it will take time to work through JH's calculations carefully.

Contributor:
John Herschel Project
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