From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1850-1
Source of text:
RS:HS 23.80
Summary:
Comments on calculation by Frédéric Petit of the hyperbolic orbit of the meteor of 19 Aug. 1847.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Comments on calculation by Frédéric Petit of the hyperbolic orbit of the meteor of 19 Aug. 1847.
About Henry Warburton's theorem, and the Gregorian calendar.
About JH's poor health; some problems in perspective. Having read a book on Egyptology, JH wanders off in flights of fanciful numerology.