From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 July 1827]
Source of text:
RS:HS 17.265
Summary:
Queries and comments about telescopes and microscopes; some thoughts about a diffraction grating.
Contributor:
John Herschel Project
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Queries and comments about telescopes and microscopes; some thoughts about a diffraction grating.