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From:
Sir John Herschel
To:
[Humphrey Lloyd?]
Date:
[25 February 1840]
Source of text:
DMC.695A.885.27
Summary:

Both William Whewell and George Peacock agree to using the magnetometers, forms, books, etc, but do not agree to the provision of actinometers [for the equipping of terrestrial magnetism stations??].

Contributor:
John Herschel Project
Collection
Document type
Transcription available