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Littrow, Joseph Johann in correspondent 
Herschel, John in addressee 
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From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
n.d.
Source of text:
RS:HS 11.262
Summary:

Describes, in considerable detail, the arrangement of an [?] observatory.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[16 May 1821]
Source of text:
RS:HS 11.232
Summary:

Welcomes astronomical correspondence. Is grateful for having his name proposed as a member of the Astronomical Society. Comments on the work of the Observatory. Would like the memoir of Edward Troughton.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[26 June 1821]
Source of text:
RS:HS 11.233
Summary:

Sending his book on Theoretical and Practical Astronomy. Also sends books for Thomas Catton. Comments on some of the varying observations made at observatories.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[2 January 1822]
Source of text:
RS:HS 11.235-6
Summary:

Sends books and observations for various observatories. Comments on recent astronomical work. Points out some discrepancies in John Pond's works. Praises the telescopes of Josef Fraunhofer.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[13 March 1822]
Source of text:
RS:HS 11.234
Summary:

Has he received the copies of the Vienna Observations? Encloses a small pamphlet of interest to mariners. What does he think of Josef Fraunhofer's micrometer for observing double stars? Is writing this letter on his birthday.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[22 August 1822]
Source of text:
RS:HS 11.237
Summary:

Books per N. M. Rothschild have not yet arrived. Has arranged a standing order for the Vienna Observations. The Robert Molyneux clock can be dispatched at once. Agrees with JH that double stars are the test of a good telescope.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[3 January 1823]
Source of text:
RS:HS 11.240
Summary:

Has requested the government to forward payment for the clock. Regarding variations in the observations of F. W. Bessel, John Pond, etc. Has high opinion of Bessel's work. Has been sending books for Thomas Catton, but he never replies. How is Greenwich Observatory heated? Some observatories have troubles with dampness. Recommends book by K. W. Feuerbach.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[12 February 1823]
Source of text:
RS:HS 11.241
Summary:

Has received parcel from N. M. Rothschild. Hopes money for the Robert Molyneux clock will soon arrive. Encloses some items for him in Thomas Catton's parcel. Please accept Analytical Geometry. Hopes JL's two volumes on astronomy will be translated into English, and encloses copy of additions.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[17 November 1823]
Source of text:
RS:HS 11.242
Summary:

Thanks for books. Presumes Robert Molyneux has received payment for clock; this is a very good instrument, much better than [Thomas?] Young's. Encloses a work of his own, which he would like to see in the Transactions of the R.A.S. Sends propositions by a young Bavarian named K. W. Feuerbach.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[25 November 1823]
Source of text:
RS:HS 11.243
Summary:

Has doubtless received his Treatise on the Corrections of the Equatorials. Col. L. A. Fallon, head of the Austrian Survey, would like a Robert Molyneux clock. Can JH arrange to order one and send it via H. C. Schumacher. Encloses some notes on practical astronomy, which may be useful.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[23 December 1823]
Source of text:
RS:HS 11.244
Summary:

New Observatory is being planned on the lines of the new one being built at Obo in Finland. Would like an open letter from JH on the requirements for an observatory. Is there any news of the clock for [L. A.?] Fallon?

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[10 February 1824]
Source of text:
RS:HS 11.246
Summary:

Has sent money for Robert Molyneux clock care of Friess, the bankers. Is grateful for JH's trouble over the clock. Do not print certain observations he sent as they form the subject of an argument with F. X. von Zach.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[9 April 1824]
Source of text:
RS:HS 11.247
Summary:

[Repetition of information in JL's 1823-11-17 and JL's 1824-2-10.]

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[17 April 1825]
Source of text:
RS:HS 11.249
Summary:

Anticipates appearance of JH's work on double stars; asks for suggestions for employment for a young man from Germany, and offers some suggestions about refining the study of refraction.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[28 June 1825]
Source of text:
RS:HS 11.250
Summary:

About books and papers, being sent both ways.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[17 December 1826]
Source of text:
RS:HS 11.251
Summary:

Bad weather has prevented him from observing the transit of the comet. Has purchased a refractor similar to the one at Dorpat.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[25 July 1827]
Source of text:
RS:HS 11.252
Summary:

About observing comets, problems with book sellers and shipping books. JL has written a popular astronomy in which he deals with perturbations, precession, and other difficult topics. Would JH like a copy?

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[15 September 1827]
Source of text:
RS:HS 11.253
Summary:

Sends some additions to an earlier paper on object glasses of telescopes; also some observations of the August comet, made by other astronomers.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[2 September 1828]
Source of text:
RS:HS 11.255
Summary:

Thanks for comments on JL's papers [see JH's 1828-7-24]; Charles Babbage had visited JL.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[18 October 1829]
Source of text:
RS:HS 11.256
Summary:

Is sending papers for the Astronomical Society Memoirs, on telescope lenses and the construction of telescopes, planetary observations, and the use of equatorial telescopes. Is anxious to see JH's writings on light and his nebulae catalogue.

Contributor:
John Herschel Project