From:
Henry Perigal
To:
Sir John Herschel
Date:
[17 August 1839]
Source of text:
RS:HS 13.365
Summary:
More mathematical curves made by machine [see HP's 1839-5-6].
Contributor:
John Herschel Project
Showing 1–1 of 1 item
More mathematical curves made by machine [see HP's 1839-5-6].