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1830-1839 in date 
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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
From:
Sir John Herschel
To:
Hudson Gurney
Date:
[25 June 1830]
Source of text:
RS:HS 19.60
Summary:

Submits JH's manuscript on Thomas Young's mathematical works for HG's biography of Young. Notes their excessive obscurity. Reasons for insisting that JH's name be added no longer exist. Asks HG's votes for two candidates for Athenaeum.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hudson Gurney
Date:
[25 June 1830]
Source of text:
Letter from J. F. W. Herschel [Containing Remarks on Dr. Young's Mathematical an
Summary:

Provides HG [who was writing a biography of Thomas Young] with a detailed evaluation of Young's contributions to physical science, e.g., Young's development of the principle of interference in optics.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[25 June 1830]
Source of text:
RS:HS 16.243
Summary:

Has difficulty observing sun spots. Thomas Maclear sends WS information for next year's occultation of Alpha Tauri. Completes rotating roof for personal observatory.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Dionysius Lardner
Date:
[27 June 1830]
Source of text:
RS:HS 25.1.4
Summary:

Some comments about the [Vignette] together with its return.

Contributor:
John Herschel Project
From:
Davies Gilbert
To:
Sir John Herschel
Date:
[29 June 1830]
Source of text:
RS:HS 8.127
Summary:

Regarding authors for the Bridgewater Treatises. Would he write on astronomy? Would like his opinion on a paper by John Herapath on optics.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Davies Gilbert
Date:
[1 July 1830]
Source of text:
RS:HS 25.1.5 (C: RS:HS 21.72)
Summary:

Declines to write the Bridgewater Treatise on astronomy; also declines to comment on a paper due to lack of time and difficulty with the author.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[10 July 1830]
Source of text:
TxU:H/L-0575.2.a; Reel 1058
Summary:

Been working on a new mirror for the 20-ft. telescope; very pleased with its performance. Asks CH to distribute his fourth catalog of double stars among the Prussian and German astronomers.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 July 1830]
Source of text:
RS:HS 1.43
Summary:

Sends volume of observations. Remarks on A. J. Fresnel's experiments. Lists errors in JH's treatise on light. Requests information on circular double refraction.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
1830-7-22 or earlier
Source of text:
JHS.HCEJ.512
Summary:

Is hesitating about a decision to come in to London, because his mother seems very ill.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[23 July 1830]
Source of text:
JHS.HCEJ.513 (C: TxU:H/L-0537.1; Reel 1053)
Summary:

About JH's mother's health, his coming to London, and daughter Caroline's vaccination. Is thinking about writing a 'discourse on science,' and complains about sitting up several nights, waiting for two stars to appear and now means 'to break the telescopes & melt the mirrors.' Found passage in Cicero to serve as motto for JH's Prelim. Discourse.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hudson Gurney
Date:
[24 July 1830]
Source of text:
RS:HS 19.61
Summary:

Inadvertently opened draft of Thomas Young's biography sent by HG, but sealed it immediately. Adamant that JH not see this before it is published. Will not change one word of JH's critique of Young's mathematics. If criticism offends Mrs. Young, then burn JH's manuscript.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 July 1830]
Source of text:
RGO 6.803.147 (ACCS: RS:HS 25.1.6)
Summary:

Thanks GA for the second volume of his observations; wishes the publications of the Astronomer Royal were as good; adds some comments on polarization of light by liquids, and then talks about observing Georgium Sidum [Uranus], and deals with the orbits of satellites of planets generally.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[28 July 1830]
Source of text:
JHS.HCEJ.514 (C: TxU:H/L-0537.2; Reel 1053)
Summary:

Expressing his grief over Isabella Stewart's approaching death. JH's mother is bearing the heat quite well. JH is busy observing again and his new mirror is excellent. Declines to sign [F. W.] Hope's certificate for R.S.L. because JH objects to council's current policies. Tell Peter Stewart that JH insists on paying for chinaware.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[1830-8]
Source of text:
TxU:H/L-0537.3; Reel 1053
Summary:

Wrote and asked F. L. Chantrey to write to MH. Baby Caroline is fine. Condolences as MH attends to sister Isabella.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[1830-8]
Source of text:
TxU:H/L-0537.4; Reel 1053
Summary:

Isabella Stewart's death seems imminent. Should JH bring baby Caroline to London for funeral? Mrs. Moorsom reports that Lady Mary Herschel needed help of physician Mr. Fowler. Baby is fine.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
1830-8
Source of text:
JHS.HCEJ.515
Summary:

About Isabella Stewart's health, MH's toothache, JH's mother's health, and MH's daughter Caroline's good health.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
1830-8
Source of text:
JHS.HCEJ.516
Summary:

Is trying to help arrange for a cast to be made of Isabella Stewart's face on her death; MH's daughter Caroline is doing very well.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[6 August 1830]
Source of text:
RS:HS 2.253
Summary:

Will he be at home later this week as he would like to call on him. Wishes to discuss the Nautical Almanac. Gives political news.

Contributor:
John Herschel Project
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