From:
Robert FitzRoy
To:
Sir John Herschel
Date:
[7 November 1860]
Source of text:
Harvard: Houghton AAH 67m-67 (71)
Summary:
Thanks JH for his advice. Comments on various aspects of Iceland and Greenland.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Thanks JH for his advice. Comments on various aspects of Iceland and Greenland.
Gives probability formula used to determine weights of stars 3 & 35 [see JH's 1860-11-2]. Explains calculation procedures previous to 1856 and those used since 1857.