From:
Henry Perigal
To:
Sir John Herschel
Date:
[6 May 1839]
Source of text:
RS:HS 13.364
Summary:
A note accompanying some machine-made mathematical curves.
Contributor:
John Herschel Project
A note accompanying some machine-made mathematical curves.
More mathematical curves made by machine [see HP's 1839-5-6].
Invites JH to visit HP to see the machine drawings being made [see HP's 1839-8-17].
More on machine-made curves [see HP's 1840-1-28].