Search: John Herschel in collection 
Airy, George Biddell in correspondent 
1850-1859::1851::09 in date 
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From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 September 1851]
Source of text:
RGO 6.341.5
Summary:

Some high quality sets of weights are becoming available. Should they be acquired for use with the standards work?

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[29 September 1851]
Source of text:
RGO 6.341.7
Summary:

Is inquiring further into the usefulness of the weights [see JH's 1851-9-27].

Contributor:
John Herschel Project