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Struve, Wilhelm in correspondent 
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Herschel, John in addressee 
1830-1839 in date 
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Herschel3006

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[10 March 1830]
Source of text:
RS:HS 17.116
Summary:

Hopes to meet JH and [James] South in summer. Announces emperor's decision to support measurement of the 3.5° latitude meridian throughout the entire Russian empire. WS is responsible for directing work in the north. Emphasizes the importance of maintaining correct linear standards uniform with both France and England. Requests a copy of the English standard so as to compare it with the Russian measurements of degrees.

Contributor:
John Herschel Project

Herschel3007

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[1 May 1830]
Source of text:
RS:HS 17.117
Summary:

Requests advice in determining optimal time for visit to England. Thanks for invitation to Slough. Mentions completion of his sixth volume of observations, the introduction of which could prove interesting to JH. Fascinated by JH's observation of a sixth star in the trapezoid of Orion.

Contributor:
John Herschel Project

Herschel3008

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[22 June 1830]
Source of text:
RS:HS 17.118
Summary:

Will arrive in England in mid-August. Mentions convention of German scientists on 18 September and invites JH.

Contributor:
John Herschel Project

Herschel3009

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[7 August 1830]
Source of text:
RS:HS 17.119
Summary:

Briefs JH on his productive Paris visit and offers details concerning his upcoming England visit.

Contributor:
John Herschel Project

Herschel3010

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[4 September 1830]
Source of text:
RS:HS 17.120
Summary:

Deeply regrets having missed JH before departure. Thanks for priceless gift of William Herschel's works and for the glimpses of nebulae. Requests his catalogue on noteworthy nebulae when completed.

Contributor:
John Herschel Project

Herschel3011

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[16 October 1830]
Source of text:
RS:HS 17.121
Summary:

Reminds WS to select certain nebulae for 'communal observation.' Received good news from Finland. Gave [James] South the list of 36 double stars to be observed. Stars compare except result in smaller distances than JH's and South's observations.

Contributor:
John Herschel Project

Herschel3012

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[17 March 1832]
Source of text:
RS:HS 17.122
Summary:

Asks JH to thank Henry Kater for his comparison of WS's scale to that of the standard-yard. Mentions breakout of cholera as reason for delay in responding. Includes many measurements of year's work.

Contributor:
John Herschel Project

Herschel3013

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[4 January 1833]
Source of text:
RS:HS 17.123
Summary:

Mentions [James] South's visit to Dorpat. Includes his observations of the past year. Concedes that JH saw Biela's comet first.

Contributor:
John Herschel Project

Herschel3014

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[13 August 1833]
Source of text:
RS:HS 17.124
Summary:

Sends letter from 'chronometer expedition' in Baltic Sea under the leadership of [T. F.] Schubert and supported by the Prussian, Danish, and Swedish governments. Mentions talk written for a larger audience in French publication. Envies JH's opportunity to observe the southern hemisphere.

Contributor:
John Herschel Project

Herschel3015

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[5 October 1833]
Source of text:
RS:HS 17.125
Summary:

Promises to write JH more often at the Cape. Is waiting for JH's work on nebulae. Promises to send his work on 3000 double stars. Plans to begin work on parallax of fixed stars.

Contributor:
John Herschel Project

Herschel3016

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[10 February 1836]
Source of text:
RS:HS 17.126
Summary:

Reports the death of family members. Reveals news of new Pulkowa observatory. Has completed his work on micrometer measurements, resulting in 10,500 observations. Includes lists of aspects of his works.

Contributor:
John Herschel Project

Herschel3017

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[5 December 1838]
Source of text:
RS:HS 17.127
Summary:

Has spent much time in Petersburg dealing with Pulkowa affairs. Mentions his works that he has recently sent to JH. Thanks for comments on his 'Mensurae Micrometricae.' Looks forward to publication of JH's work at the Cape. Discusses suitability of the Russian winter for astronomical work. Requests JH's opinion of the instruments made by [J. G.?] Repsold and designated for Pulkowa. Comments on the heliometer. Invites JH to opening of Pulkowa Observatory.

Contributor:
John Herschel Project
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