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L746

From:
Claude-Julien Bredin
To:
André-Marie Ampère
Date:
25 mai 1830.
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 714.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère

Herschel608

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 May 1830]
Source of text:
RGO 6.803.137
Summary:

About the prices of telescope mirrors, and specifically the one of T. J. Hussey; recommends use of certain stars to test the optical quality of the mirror.

Contributor:
John Herschel Project
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Transcription available