From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 January 1858]
Source of text:
RS:HS 6.307
Summary:
Too busy to answer his last letter until now. His theorem on perspective is pretty and easy. Quotes one he uses. Has been busy finding the proof that every algebraic equation has a root. Has been organ tuning. Comments on the method of tuning using beats.
Contributor:
John Herschel Project