Search: John Herschel in collection 
1840-1849::1842::09 in date 
letter in document-type 
Sorted by:
Modify Search

Showing 21–31 of 31 items

Herschel537

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 September 1842]
Source of text:
RGO 6.340.343
Summary:

Gives GA some accounting of standard weights in Britain, and feels that it would be worth acquiring Robinson estate weight [see GA's 1842-9-22].

Contributor:
John Herschel Project

Herschel6102

From:
Sir John Herschel
To:
Francis Baily
Date:
[1 September 1842]
Source of text:
RS:HS 3.229 (C: RS:HS 25.8.47)
Summary:

Has sent the papers on the eclipse to G. B. Airy.

Contributor:
John Herschel Project

Herschel6103

From:
Francis Baily
To:
Sir John Herschel
Date:
[13 September 1842]
Source of text:
RS:HS 3.230
Summary:

Comments on the various reports of the recent eclipse. Regarding the star constellations.

Contributor:
John Herschel Project

Herschel6667

From:
J[oseph] Cranch
To:
Sir John Herschel
Date:
[1 September 1842]
Source of text:
RS:HS 5.370
Summary:

Would like JH's views on the suitabilities of the various makes of telescopes for their observatory.

Contributor:
John Herschel Project

Herschel6668

From:
Sir John Herschel
To:
J[oseph] Cranch
Date:
[1842-9-1 or later]
Source of text:
RS:HS 5.371 (C: RS:HS 25.13.18)
Summary:

Does not feel qualified to judge the merits of the various makes of telescopes. Suggests that the Astronomer Royal may be able to help or one of the other observatories.

Contributor:
John Herschel Project

Herschel7325

From:
John William Draper
To:
Sir John Herschel
Date:
[26 September 1842]
Source of text:
RS:HS 6.502
Summary:

Sending a Daguerreotype impression of the spectrum. Comments on this. Is publishing a work on the chemical rays.

Contributor:
John Herschel Project

Herschel8292

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[22 September 1842]
Source of text:
RS:HS 19.97
Summary:

Must complete graphs of barometer curves before B.A.A.S. meeting. Did JH mistakenly include 1837 Bogota Almanac in barometer observations?

Contributor:
John Herschel Project

Herschel8293

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[26 September 1842]
Source of text:
RS:HS 19.98
Summary:

Sends two dozen more papers on barometer graphs. Must have all papers on subject by January. Pleased with WB's lunar observations.

Contributor:
John Herschel Project

Herschel8692

From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[4 September 1842]
Source of text:
NSUB Cod.Ms.Gauss 99 (ACCS 2pp RS:HS 25.6.12)
Summary:

The instructions for making magnetic and meteorological observations are to be revised. JH asks CG's advice about this.

Contributor:
John Herschel Project

Herschel8895

From:
Sir John Herschel
To:
Francis Baily
Date:
[6 September 1842]
Source of text:
R.A.S.M.N., 6 (1842), 23-4
Summary:

Calls attention to the increase in magnitude of the star Eta Cygni. Mentions some other variable stars.

Contributor:
John Herschel Project

Herschel9130

From:
Sir John Herschel
To:
William Whewell
Date:
[29 September 1842]
Source of text:
TC, Camb. Add. Ms.a.20755 (C: RS:HS 22.136)
Summary:

Congratulates WW on a testimonial held in WW's honor in Lancaster. Reports the birth of JH's sixth daughter [Julia].

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available