From:
Alexander Rogers
To:
Sir John Herschel
Date:
[1 January 1808]
Source of text:
RS:HS 14.387
Summary:
Thanks JH for information concerning the comet. Planned to build telescope with object glasses separated from each other. Optician said this would not correct spherical and chromatic aberrations. Wants advice.
Contributor:
John Herschel Project