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de La Rue, Warren in correspondent 
Herschel, John in addressee 
John Herschel Project in contributor 
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From:
Warren de La Rue
To:
Sir John Herschel
Date:
[21 July 1856]
Source of text:
RS:HS 6.136
Summary:

At the recent A.G.M. of the R.A.S. Club, JH was elected an Honorary Life Member. Hopes he will attend many more meetings.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[12 October 1856]
Source of text:
RS:HS 6.137
Summary:

Returned late on Thursday. Is gratified by JH's praise of his drawings of Saturn. Includes some further drawings and comments on JH's queries.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[13 October 1856]
Source of text:
RS:HS 6.138
Summary:

Made some observations of Jupiter after his last letter. Thought JH might be interested in seeing them. Would be grateful for any comments, which he will incorporate into his final drawing.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[11 May 1857]
Source of text:
RS:HS 6.139
Summary:

Is pleased that JH approves of his drawings of the planets. Hopes to publish some drawings of the other planets in the future. Has moved his observatory but hopes soon to start observations. Unable to comment on Otto Struve's observations.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[28 September 1857]
Source of text:
RS:HS 6.140
Summary:

Has not been able to go to Kew Observatory yet. The photoheliograph has to await John Welsh's return from Scotland. A reflector with a diagonal mirror would be suitable for celestial objects. Has now removed to Cranford.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[26 February 1858]
Source of text:
Harvard: Houghton
Summary:

Announces that the R.A.S. will print a map showing the path of the 15 Mar. 1858 eclipse.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[11 September 1858]
Source of text:
RS:HS 6.141
Summary:

Has just dispatched to Hawkhurst station a positive copy in glass of a photograph of the moon. Has many photographs but this is the best one. Has constructed a reflecting stereoscope. Angelo Secchi visited him but the weather was not suitable for observations.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[15 September 1858]
Source of text:
RS:HS 6.142
Summary:

Is pleased the photograph arrived safely. Would be pleased to show him his collection of original negatives. Comments on the difficulties of using a telescope with a longer focus. Regarding improvements to the photoheliography at Kew. Encloses sketch of the comet.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[30 August 1859]
Source of text:
Harvard: Houghton AAH 67m-67 (48)
Summary:

Discusses a telescope ordered for C. A. von Steinheil of Munich and the design of WR's glass polishing machine. Mentions visit by Thomas Maclear. Kew Telescope produces photos of sunspots.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[10 November 1859]
Source of text:
Paul Luther
Summary:

Offers to show JH his observatory and the polishing apparatus he uses. Comments on various telescope makers, especially Andrew Ross.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[5 December 1859]
Source of text:
RS:HS 6.144
Summary:

Sending R. C. Carrington's certificate for JH's signature.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[28 January 1860]
Source of text:
RS:HS 6.145
Summary:

Sending Robert Main's certificate for JH's signature.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[1 December 1860]
Source of text:
RS:HS 6.146
Summary:

Please accept his thanks for his article on telescopes. Comments on JH's views. Would like 50 copies of the article to distribute to opticians.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[26 June 1861]
Source of text:
RS:HS 6.148
Summary:

Gives diameter of the sun's image. Used an ordinary eye-piece. There must be some mistake about the penumbra. It is possible now to take daily records of the surface of the sun.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[24 August 1861]
Source of text:
RS:HS 6.147
Summary:

Sending him his first photograph of the sun's spot. Has caused a lot of preparation. Comments on various points.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[10 November 1861]
Source of text:
RS:HS 6.149
Summary:

Is pleased that JH likes his plates of Mars. Has a great collection of drawings of Mars but only a few of Venus. Hopes by the Spring to have the photoheliograph working. Has just completed his volume on the eclipse for 1860.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[14 September 1862]
Source of text:
RS:HS 6.150
Summary:

Regarding the pictures of the moon by M. M. Gussew. Gives details of the eclipse of 1860. Heliograph has been working at his observatory since February. G. Sabler has now left and will doubtless do good work when he receives his instrument from J. H. Dallmeyer.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[23 November 1863]
Source of text:
RS:HS 6.152
Summary:

Thinks it possible that a letter he wrote to Charles Pritchard may have been passed to JH. Thinks there is some substance in James Nasmyth's claim on seeing 'Willow leaves' on the surface of the sun.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[1 May 1864]
Source of text:
RS:HS 6.153
Summary:

Regarding the solar photographs. They are not magnified originals but taken direct. Comments on these photographs. Has had correspondence with W. R. Dawes regarding the 'willow leaves' of James Nasmyth.

Contributor:
John Herschel Project
From:
Warren de La Rue
To:
Sir John Herschel
Date:
[1 June 1864]
Source of text:
RS:HS 6.154
Summary:

Agrees with him that J. Müller's drawings do not show the entities around the sunspot clearly. Has nearly completed the apparatus for holding one of JH's sun prisms to his reflector. Hopes to do something with it soon.

Contributor:
John Herschel Project