Search: 1850-1859::1856::04::23 in date 
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From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 April 1856]
Source of text:
RS:HS 1.229 (C: RGO 6.216.114)
Summary:

Wants one or more of JH's actinometers. Notes his suggestion about the zenith tube.

Contributor:
John Herschel Project
From:
Joseph Allen Galbraith
To:
John Tyndall
Date:
23rd April 1856
Source of text:
MS JT/2/7/306-7, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Charles Robert Darwin
To:
Edward Sabine
Date:
23 Apr [1856]
Source of text:
The Royal Society (Sa: 387)
Summary:

CD and Hooker suggest Sir John Richardson for Royal Medal. Other suggestions are George Bentham, Joseph Prestwich, Albany Hancock.

Contributor:
Darwin Correspondence Project