From:
Peter Barlow
To:
Sir John Herschel
Date:
[14 March 1830]
Source of text:
RS:HS 3.292
Summary:
Plan for the comparison of the strengths of variously sized telescopes.
Contributor:
John Herschel Project
Showing 1–1 of 1 item
Plan for the comparison of the strengths of variously sized telescopes.