Search: Herschel, John in correspondent 
Parsons (Lord Rosse), William in correspondent 
Herschel, John in author 
1840-1849 in date 
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From:
Sir John Herschel
To:
William Parsons (Lord Rosse)
Date:
[17 July 1843]
Source of text:
Rosse Papers K2.1
Summary:

Declines WP's invitation to attend Cork B.A.A.S. meeting and afterwards to visit WP and to see his reflecting telescopes. Informs WP that [C. A. von] Steinheil had written JH about a process of 'Electro-gilding' mirrors for telescopes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Parsons (Lord Rosse)
Date:
[9 March 1845]
Source of text:
Rosse Papers K2.2
Summary:

Thanks WP for sending drawings and descriptions of various nebulae observed with WP's giant reflecting telescope. Comments on various nebulae. Expresses the idea that some planetary nebulae are 'hollow elliptical or spherical shells with or without a central Star.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Parsons (Lord Rosse)
Date:
[5 November 1849]
Source of text:
TxU:H/L-0341; Reel 1054
Summary:

Recommends Edward Sabine's work on terrestrial magnetism for Royal Physical Medal, and joint award of Copley Medal to WP and William Lassell for improvements in reflecting telescopes.

Contributor:
John Herschel Project