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de La Rue, Warren in correspondent 
Herschel, John in addressee 
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Herschel6847

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[3 July 1864]
Source of text:
RS:HS 6.155
Summary:

Appreciates the difference between Robert Hooke's and JH's suggestions for a helioscopic telescope. Comments on these suggestions. Has recently constructed a reflecting prism. Comments on this.

Contributor:
John Herschel Project

Herschel6848

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[11 July 1864]
Source of text:
RS:HS 6.156
Summary:

Was not the person who sent him some photographs of the sun. Was glad the Astronomical Soiree was well spoken of. James Nasmyth was conspicuous and is pleased he was mentioned in JH's Outlines Astr.

Contributor:
John Herschel Project

Herschel6849

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[18 July 1864]
Source of text:
RS:HS 6.157
Summary:

Encloses a letter from William Simms, which contains a suggestion for JH's reflecting prism. Inclines to the view that a reflector is not the most suitable instrument for sun observations.

Contributor:
John Herschel Project

Herschel6850

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[20 July 1864]
Source of text:
RS:HS 6.158
Summary:

Sending the tracing again with a few additions. Comments on this and the one sent yesterday.

Contributor:
John Herschel Project

Herschel6851

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[6 August 1864]
Source of text:
RS:HS 6.159
Summary:

Sending a photograph of the moon 38" in diameter. Begs him to accept it as a mark of appreciation.

Contributor:
John Herschel Project

Herschel6852

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[24 September 1864]
Source of text:
RS:HS 6.160
Summary:

Has just returned from a short tour of Russia. Visited Pulkowa and Nijny Novgorod. Had difficulties with couriers. JH's suggestion for a rotating disc with slit to reduce sunlight sounds feasible. Weather was unsuitable at Pulkowa for any observations.

Contributor:
John Herschel Project

Herschel6853

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[25 October 1864]
Source of text:
RS:HS 6.161
Summary:

Has just received JH's 'Catalogue of Nebulae.' Has placed his skeleton tube in the cradle of his equatorial. Comments on this and gives sketches.

Contributor:
John Herschel Project

Herschel6854

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[22 November 1864]
Source of text:
RS:HS 6.162
Summary:

Encloses a letter from Angelo Secchi. Sent him a Herschelian eye piece and is having a prism prepared for him. Secchi has seen James Nasmyth's 'willow leaves.'

Contributor:
John Herschel Project

Herschel6856

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[12 December 1864]
Source of text:
RS:HS 6.164
Summary:

Has received a letter from Angelo Secchi who states that he has seen James Nasmyth's 'willow leaves.' Remainder of letter relates to the JH prism, which he sent him through Cardinal N. P. S. Wiseman.

Contributor:
John Herschel Project

Herschel6857

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[14 January 1865]
Source of text:
RS:HS 6.165
Summary:

Would JH look through the proof of WD's speech on the presentation of a [R.A.S.] medal to Professor G. P. Bond and make any comments or suggestions.

Contributor:
John Herschel Project

Herschel6858

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[30 January 1865]
Source of text:
RS:HS 6.166
Summary:

Encloses two certificates and hopes that he will give the candidates his support. Has just received a letter from Angelo Secchi on the Herschelian prism.

Contributor:
John Herschel Project

Herschel6860

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[10 February 1865]
Source of text:
RS:HS 6.168
Summary:

Was pleased to receive JH's letter requesting him to communicate the subject to the Society. Has been busy preparing the Annual Report so has not had time to follow up Mr. Traye's papers.

Contributor:
John Herschel Project

Herschel6861

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[21 April 1866]
Source of text:
RS:HS 6.169
Summary:

Has sent on the correspondence about K. L. C. Rümker's Southern Catalogue. Has recorded his vote in favor of the £150 for the reduction. Proposes sending his eldest son to Paris to study French and Art.

Contributor:
John Herschel Project

Herschel6863

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[25 April 1870]
Source of text:
RS:HS 6.170
Summary:

Has written to Kew Observatory to send on the photographs.

Contributor:
John Herschel Project

Herschel6864

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[30 April 1870]
Source of text:
RS:HS 6.171
Summary:

Has just learnt that some negatives were sent to his former place of residence. Will forward them when he goes to the City. A vote has been made from the Donation Fund of the R.S.L. for six copies of the Kew Solar negatives.

Contributor:
John Herschel Project

Herschel6866

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[13 July 1870]
Source of text:
RS:HS 6.172
Summary:

Would like to incorporate JH's suggestions in his paper and he has revised the numbers. Made an attempt to photograph the moon while totally eclipsed, but was unsuccessful.

Contributor:
John Herschel Project

Herschel6869

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[15 February 1871]
Source of text:
RS:HS 6.173
Summary:

Is glad he is pleased with the work of Balfour Stewart and himself. Has applied to R.S.L. for a further grant to carry on the observations and computations for another year. Intends to finance the last year himself. Since the death of his brother he has returned to business.

Contributor:
John Herschel Project
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