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Herschel, John in author 
1840-1849::1840::10 in date 
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Herschel1573

From:
Sir John Herschel
To:
James Challis
Date:
[10 October 1840]
Source of text:
CUOL 1840.19
Summary:

A note of thanks for the eleventh volume of the Cambridge Observatory observations; JH is sorry that he missed JC in Oxford during the summer.

Contributor:
John Herschel Project

Herschel2118

From:
Sir John Herschel
To:
John David Roberton
Date:
[27 October 1840]
Source of text:
RS:HS 14.365 (C: RS:HS 22.68)
Summary:

Meteorolite given to JH by [Thomas] Maclear has been lost. Asks JR for assistance in locating it.

Contributor:
John Herschel Project

Herschel524

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 October 1840]
Source of text:
RGO 6.340.284
Summary:

Is sending comments on GA's proposals [see GA's 1840-10-13]; JH has been asked about obtaining a heliometer from Munich; seeks GA's opinion on the quality of the brass workmanship in Munich.

Contributor:
John Herschel Project

Herschel525

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 October 1840]
Source of text:
RGO 6.340.286
Summary:

Provides detailed comments on GA's circulated material on standards [see JH's 1840-10-30]; tends toward maintaining basic units but finding decimal relationships between them.

Contributor:
John Herschel Project
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