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From:
Darwin, Emma
To:
Darwin, W. E.
Date:
[16? June 1864]
Source of text:
DAR 219.1: 83
Summary:

No summary available.

Contributor:
Darwin Family Letters
From:
Sir John Herschel
To:
Edward Sabine
Date:
[16 June 1864]
Source of text:
RS MC.7.99
Summary:

Gives reasons for and discusses technicalities of supporting pendulum experiments at astronomical and geodesical stations in Indian trigonometrical survey.

Contributor:
John Herschel Project