Search: Herschel, John in correspondent 
Herschel, John in addressee 
letter in document-type 
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1840-1849::1842::04 in date 
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Herschel2240

From:
Stephen J. Rigaud
To:
Sir John Herschel
Date:
[1842-4].
Source of text:
RS:HS 14.490
Summary:

Is applying for vacant professorial chair in astronomy. Wants testimonial from JH in his support. Attached note of JH is negative in this regard.

Contributor:
John Herschel Project

Herschel10419

From:
Thomas Henderson
To:
Sir John Herschel
Date:
[4 April 1842]
Source of text:
RS:HS 9.300
Summary:

Gives the parallaxes of a few southern stars obtained from his own mural circle. Has sent his memoir on Alpha Centauri to the R.A.S.

Contributor:
John Herschel Project

Herschel9564

From:
James David Forbes
To:
Sir John Herschel
Date:
[6 April 1842]
Source of text:
RS:HS 7.301
Summary:

Would like to know the composition of the fluid in JH's actinometers.

Contributor:
John Herschel Project

Herschel11910

From:
Johann Heinrich Mädler
To:
Sir John Herschel
Date:
[8 April 1842]
Source of text:
RS:HS 12.272
Summary:

Observations on double stars.

Contributor:
John Herschel Project

Herschel6743

From:
William Rutter Dawes
To:
Sir John Herschel
Date:
[16 April 1842]
Source of text:
RS:HS 6.61
Summary:

Sends all his observations of Alpha Virginis. Has not done much to this recently. Regarding JH's observations of the fifth and sixth stars in Trapizio. Has informed James Challis of William Lassell's observations.

Contributor:
John Herschel Project

Herschel1362

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 April 1842]
Source of text:
RS:HS 17.311
Summary:

Sends JH samples of his calotypes. Off to Germany on a photographic expedition.

Contributor:
John Herschel Project

Herschel4715

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 April 1842]
Source of text:
RS:HS 1.104 (C: RGO 6.463.302)
Summary:

Returns photographs of spectrum, with observations on the results.

Contributor:
John Herschel Project

Herschel14360

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842 to 1843]-4-23
Source of text:
TxU:H/M-0517.4; Reel 1093
Summary:

Urged by G. B. Airy, ES withdraws earlier letter to JH and encloses letter with ES's opinions regarding continuance of [magnetic and meteorological] observations.

Contributor:
John Herschel Project

Herschel1665

From:
Alfred Smee
To:
Sir John Herschel
Date:
[25 April 1842]
Source of text:
RS:HS 16.151
Summary:

Sends several samples of ferrocyanide JH had requested.

Contributor:
John Herschel Project

Herschel4716

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[28 April 1842]
Source of text:
RS:HS 1.105 (C: RGO 6.368.652)
Summary:

Returning photographs, with observations. Regarding the transport of loads in hilly country. Remarks on the transcription and pronunciation of foreign languages.

Contributor:
John Herschel Project

Herschel2241

From:
Stephen J. Rigaud
To:
Sir John Herschel
Date:
[1842-4-29].
Source of text:
RS:HS 14.491
Summary:

Still pursuing vacant professorial chair in astronomy. Wants JH's testimonial. Sends his qualifications and description of recent activities in astronomy.

Contributor:
John Herschel Project
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