Search: Herschel, John in correspondent 
de La Rue, Warren in correspondent 
de La Rue, Warren in addressee 
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From:
Sir John Herschel
To:
Warren de La Rue
Date:
[26 September 1855]
Source of text:
RS:HS 23.159
Summary:

Thanks for engraving of Saturn; comments on other aspects of observing that planet. JH notes he is confined to a wheelchair.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[6 May 1857]
Source of text:
RS:HS 23.198
Summary:

Thanks for engravings of Saturn and Jupiter; would like to see an astronomical picture book produced.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[25 September 1857]
Source of text:
RS:HS 23.206
Summary:

Thanks for photograph of the moon.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[13 September 1858]
Source of text:
RS:HS 23.237
Summary:

Thanks for the lunar photographs; comments on other observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[10 October 1858]
Source of text:
RS:HS 6.143 (C: RS:HS 23.241)
Summary:

Has now had time to examine the stereoscopic photograph of the moon. Thinks it is a wonderful effect and opens up a new field for terrestrial objects.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[27 August 1859]
Source of text:
RS:HS 23.272
Summary:

Requests information about specula for telescopes, especially silvered glass ones.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[8 November 1859]
Source of text:
RS:HS 23.284
Summary:

Further questions about the physical optics of telescopes [see JH's 1859-8-27].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[7 November 1861]
Source of text:
RS:HS 23.346
Summary:

Thanks for pictures of Mars; speculates on the atmospheres of some planets.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[28 February 1862]
Source of text:
RS:HS 23.364
Summary:

Thanks for fine engravings; is concerned about the 'miraculous phenomena' depicted on some other people's engravings, 'especially American ones.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[4 December 1864]
Source of text:
RS:HS 6.163 & 24.73
Summary:

Thanks for the diary and pocket book. Sees that A. V. Guillemin has published an illustrated Astronomy [Le ciel (Paris, 1864)]. Thinks there is scope for publishing a volume of engravings of astronomical objects. Gives his own idea for the construction of a photometer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[31 January 1865]
Source of text:
RS:HS 6.167 & 24.84
Summary:

Returns the certificates duly signed and also Angelo Secchi's letter, which he was pleased to see. Elaborates on the possible causes of James Nasmyth's 'willow leaves.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[23 April 1870]
Source of text:
RS:HS 24.305
Summary:

Inquires about other sunspot observations made by JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[5 May 1870]
Source of text:
RS:HS 24.311
Summary:

Thanks for the photographs WD sent for the dates requested in JH's 1870-4-23.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[14 July 1870]
Source of text:
RS:HS 24.322
Summary:

Comments on sunspot activity; agrees to inclusion of some paragraphs in a paper WD is writing.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[11 February 1871]
Source of text:
RS:HS 24.354
Summary:

Comments on sunspot activity.

Contributor:
John Herschel Project