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Herschel8146

From:
Sir John Herschel
To:
[F. M. Eardley]-Wilmot
Date:
[19 April 1842]
Source of text:
RS:HS 18.413b
Summary:

[JH's outline of letter] Compares Wilmot's actinometer observations with JH's. Acknowledges receipt of St. Helena specimens.

Contributor:
John Herschel Project

Herschel12806

From:
Sir John Herschel
To:
Joseph Henry Kay
Date:
[19 April 1842]
Source of text:
TxU:H/L-0211; Reel 1054
Summary:

Impressed by accuracy of actinometer measurements made by JK, Joseph Dayman, and P. A. Scott from Feb. to Sept. 1841 at JK's observatory at Rossbank [Tasmania]. Suggests methods to improve readings and simplify reductions.

Contributor:
John Herschel Project
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