Search: Herschel, John in correspondent 
1820-1829::1825::02 in date 
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Showing 1–13 of 13 items

Herschel14287

From:
William Ritchie
To:
Sir John Herschel
Date:
[3 February 1825]
Source of text:
TxU:H/M-0449; Reel 1093
Summary:

Thanks JH for introducing WR's paper on photometer to R.S.L. council. Sends drawing of instrument and alterations to WR's paper that resulted from improvements in instrument.

Contributor:
John Herschel Project

Herschel14794

From:
William Ritchie
To:
Sir John Herschel
Date:
[5 February 1825]
Source of text:
TxU:H/M-1212; Reel 1060
Summary:

Suggested improvements to John Leslie's photometer.

Contributor:
John Herschel Project

Herschel12000

From:
Sir John Herschel
To:
Teodoro Monticelli
Date:
[6 February 1825]
Source of text:
RS:HS 12.362 (C: 20.199)
Summary:

Outlining his Italian travels after leaving Naples. Had to return home as business pressed.

Contributor:
John Herschel Project

Herschel8095

From:
Franz Xaver von Zach
To:
Sir John Herschel
Date:
[7 February 1825]
Source of text:
RS:HS 18.361
Summary:

Comments on a variety of topics about various scientific persons on the Continent, on JH's travels in Europe, on ways to send packets between England and Europe, and on FZ's copy of the Nautical Almanac, which FZ has not yet received. Makes comparisons between his and JH's barometer, offers some comet observations, and talks about the appropriate date for Easter. Awaits JH's double star observations.

Contributor:
John Herschel Project

Herschel8010

From:
William Hyde Wollaston
To:
Sir John Herschel
Date:
[7 February 1825]
Source of text:
RS:HS 18.278
Summary:

Sends drawings associated with WW's paper and passed by [R.S.L.] Council for printing, and memoir from M. A. Pictet.

Contributor:
John Herschel Project

Herschel4948

From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[11 February 1825]
Source of text:
RS:HS 1.335
Summary:

Giving details of Giuseppe Bianchi's barometer. Regarding the experiments of Leopoldo Nobili on the electrization of mercury. Gives tables of star observations.

Contributor:
John Herschel Project

Herschel9987

From:
James Grahame
To:
Sir John Herschel
Date:
[14 February 1825]
Source of text:
RS:HS 8.322
Summary:

About lodgings in London [see JG's 1824-12-31], JG's writing, and his 'love affairs.'

Contributor:
John Herschel Project

Herschel6162

From:
Peter Barlow
To:
Sir John Herschel
Date:
[16 February 1825]
Source of text:
RS:HS 3.288
Summary:

Regarding his own experiments with revolving balls.

Contributor:
John Herschel Project

Herschel2100

From:
Sir John Herschel
To:
William Ritchie
Date:
[19 February 1825]
Source of text:
RS:HS 20.200
Summary:

Will present alterations of WR's paper to R.S.L. [see JH's 1825-1-27]. Asks if he may describe the similarities between WR's photometer and an instrument JH used in Italy and Sicily.

Contributor:
John Herschel Project

Herschel9988

From:
James Grahame
To:
Sir John Herschel
Date:
[22 February 1825]
Source of text:
RS:HS 8.323
Summary:

More about lodgings in London [see JG's 1825-2-14], and about books JG and JH have read [letter completed 1825-3-9].

Contributor:
John Herschel Project

Herschel8452

From:
James South
To:
Sir John Herschel
Date:
[26?] February 1825
Source of text:
RS:HS 16.433
Summary:

Reports on some observations from JS's observatory near Paris and on his contacts with the Paris Observatory. Relays to JH a request from Alexander von Humboldt for barometric observations. Invites JH to visit.

Contributor:
John Herschel Project

Herschel11193

From:
Joshua King
To:
Sir John Herschel
Date:
[26 February 1825]
Source of text:
RS:HS 11.83
Summary:

Has recently discovered in Cumberland a rich vein of cobalt, which is mixed with iron. Would like his opinion whether these ores can be easily separated. Can send him a specimen if required.

Contributor:
John Herschel Project

Herschel5934

From:
Francis Baily
To:
Sir John Herschel
Date:
[28 February 1825]
Source of text:
RS:HS 3.57
Summary:

Would like to borrow the drawing of Josef Fraunhofer's telescope. Has received an account of this telescope from Wilhelm Struve, which he is now translating. Regarding the miscarriage of the Memoirs for Struve.

Contributor:
John Herschel Project
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