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Airy, George Biddell in addressee 
1840-1849::1843::09 in date 
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From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1843-9]
Source of text:
RS:HS 1.333 (C: RS:HS 25.13.12)
Summary:

Regarding custody of the Standards.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[10 September 1843]
Source of text:
RGO 6.340.354
Summary:

Makes some suggestions about possible storage places for the United States' standards [see GA's 1843-9-9].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 September 1843]
Source of text:
RGO 6.701.106
Summary:

Gives formula for defining the measure of the scale of an actinometer.

Contributor:
John Herschel Project