From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[1 April 1847]
Source of text:
unknown
Summary:
Sends some results concerning undisturbed parabolic motion. Laments the Irish famine.
Contributor:
John Herschel Project
Sends some results concerning undisturbed parabolic motion. Laments the Irish famine.
The equatorial on the Dublin Observatory dome needs improvement. In the last fifty-two months, WH has seen three new planets: Neptune, Iris, and Flora.
WH notes that quaternions derive some interesting results in problems with three moving bodies.