Search: Herschel, John in correspondent 
Hamilton, William Rowan in correspondent 
1830-1839::1839 in date 
Sorted by:

Showing 1–3 of 3 items

Herschel3860

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[8 February 1839]
Source of text:
unknown
Summary:

Asks JH to keep him updated on English research of the dynamics of light. Currently considering the 'propagation' of light waves, as distinguished from their mere 'preservation'; asks whether this is a new study.

Contributor:
John Herschel Project

Herschel3861

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[13 February 1839]
Source of text:
unknown
Summary:

In reply to WH's 1839-2-8 inquiry, JH believes that 'Skotodynamics' (the propagation of light waves) is a new line of research. Caroline Herschel is ecstatic about her Royal Irish Academy medal.

Contributor:
John Herschel Project

Herschel3642

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[11 December 1839]
Source of text:
TCD 1493:182
Summary:

Requests another copy of WH's paper on light, recently read at Royal Irish Academy, having sent JH's own copy to Prague's [Karl] Kreil for description of [Humphrey] Lloyd's vertical magnetometer contained therein. Has WH yet found the three axes of the universe? Comments on WH's sister's 'charming' poetry.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available