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
Showing 1–6 of 6 items
Sends some results concerning undisturbed parabolic motion. Laments the Irish famine.
Sends some new theorems concerning undisturbed parabolic motion; believes that much remains to be discovered in this field.
Wants WH's quaternion mathematics to be challenged; also worries that quaternions will become merely 'a private and personal skill' instead of a method that can be taught.
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.
Describes the funeral of James MacCullagh; mystified why he committed suicide.