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From:
John Tyndall
To:
Sir John
Date:
25th May
Source of text:
MS 7777/03, Wellcome Library
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Charles Robert Darwin
To:
John Lubbock, 4th baronet and 1st Baron Avebury
Date:
25 May [1860]
Source of text:
DAR 263: 32 (EH 88206481)
Summary:

Local affairs.

Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
John Herschel (son)
Date:
[25 May 1860]
Source of text:
JHS 5.3
Summary:

Comments extensively on the calculation, and elimination, of error in geodesic measurements; JH concludes with a few family news items.

Contributor:
John Herschel Project