From:
Henry Perigal
To:
Sir John Herschel
Date:
[29 February 1840]
Source of text:
RS:HS 13.367
Summary:
More on machine-made curves [see HP's 1840-1-28].
Contributor:
John Herschel Project
Showing 1–1 of 1 item
More on machine-made curves [see HP's 1840-1-28].