Search: John Herschel in collection 
1830-1839::1839::03 in date 
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From:
Samuel B. Howlett
To:
Sir John Herschel
Date:
[2 March 1839]
Source of text:
RS:HS 10.211
Summary:

Thanks for his letter. His barometer is not intended as a mountain one. Though a slight error does appear now and then it is no worse than other barometers, excepting that at the R.S.L. Would like JH to communicate the drawing and description to the R.S.L.

Contributor:
John Herschel Project
From:
Manuel John Johnson
To:
Sir John Herschel
Date:
[25 March 1839]
Source of text:
RS:HS 10.332
Summary:

Is applying for the position of Radcliffe Observer in the place of S. J. Rigaud and would like to use JH's opinion of MJ's star catalogue he used at the Cape.

Contributor:
John Herschel Project
From:
Richard Jones
To:
Sir John Herschel
Date:
5] March [1839
Source of text:
RS:HS 10.361
Summary:

The belladonna JH gave him is throwing up vigorous leaves. Has a scheme for making it leaf and flower in the same season. Has some ingenious machines to show JH when he calls, which may be useful to JH.

Contributor:
John Herschel Project
From:
John Lindley
To:
Sir John Herschel
Date:
[6 March 1839]
Source of text:
RS:HS 11.225
Summary:

Has opened the box of dried specimens, but they are unsuitable for his purpose as they are not flat. Suggests that King's College or University College may be a more suitable home for them.

Contributor:
John Herschel Project
From:
Humphrey Lloyd
To:
Sir John Herschel
Date:
[16 March 1839]
Source of text:
RS:HS 11.269
Summary:

Was pleased to hear of the success of JH's exertions. Comments on the instruments required. Thanks for his communication on the copper ring; will try it with the bifilar. W. H. F. Talbot talks of applying the photographic method to meteorological and magnetical instruments. Encloses a paper.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
1839-3-[15 or earlie
Source of text:
RS:HS 25.14.20
Summary:

Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Margaret Brodie Herschel
Date:
[14 March 1839]
Source of text:
RS:HS 12.116
Summary:

Will send observations to JH. Granite column will be constructed at Feldhausen as a memorial [to JH]; will forward plans.

Contributor:
John Herschel Project
From:
Carlo Matteucci
To:
Sir John Herschel
Date:
[14 March 1839]
Source of text:
RS:HS 12.304
Summary:

Is working on a memoir concerning animal electricity. Would like to present it to the R.S.L. and wonders if it would qualify for a prize.

Contributor:
John Herschel Project
From:
Roderick Impey Murchison
To:
Sir John Herschel
Date:
[27 March 1839]
Source of text:
RS:HS 12.398
Summary:

The Bishop of London favors the idea of JH becoming Savilian Professor of Astronomy. What are JH's views on the subject? William Buckland would rejoice.

Contributor:
John Herschel Project
From:
Roderick Impey Murchison
To:
Sir John Herschel
Date:
[29 March 1839]
Source of text:
RS:HS 12.399
Summary:

JH's letter settles the case of the Savilian chair. Gives news of suitable houses for the Herschels that are likely to come up for sale.

Contributor:
John Herschel Project
From:
George Thomas Napier
To:
Sir John Herschel
Date:
[28 March 1839]
Source of text:
RS:HS 13.66
Summary:

Thanks for the letter delivered by Mrs. Freeman. Has now had authority from Charles Grant (Baron Glenelg) to put JH's educational scheme into practice. Professor J. R. Innes has been put in charge of the educational system. News of the Andries Stockenström investigation will please JH. Comments on the political scene at the Cape. Hopes to assist [Alexander?] Hutchinson.

Contributor:
John Herschel Project
From:
William Edward Parry
To:
Sir John Herschel
Date:
[26 March 1839]
Source of text:
RS:HS 13.221
Summary:

Enclosing letter just received from Mr. Stanley regarding [James Duff?] Watt's son. WP's wife and children are at Tunbridge Wells.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[30 March 1839]
Source of text:
RS:HS 13.354 & 22.4
Summary:

About arrangements for the publication and distribution of JH's Cape observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Calder Stewart
Date:
[23 March 1839]
Source of text:
TxU:H/L-0428; Reel 1055
Summary:

[Richard] Jones's view is correct. Will wait to hear what Mr. [Meade?] has to say, before JH writes to Mr. Hodges.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 March 1839]
Source of text:
TxU:H/L-0475; Reel 1055
Summary:

Sent WT's specimens to J. B. Biot and F. J. D. Arago in Paris. Developed paper sensitive to heat rays of sun 'beyond the spectrum.' Diagram of three spectra: 'luminous, chemical, and thermic.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Wrottesley
Date:
[24 March 1839]
Source of text:
TxU:H/L-0509; Reel 1055 (C: RS:HS 25.15.8)
Summary:

Commends JW's application for Savilian professor of astronomy at Oxford [see JW's 1839-3-22]. But it is improper for JH to propose JW unless asked to do so by R.A.S. council.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1 March 1839]
Source of text:
RS:HS 17.287
Summary:

Enlarges upon his method of using salt as photographic fixer; then asks JH to explain the chemistry thereof. Has tried Louis Daguerre's fixing process without success.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[15 March 1839]
Source of text:
RS:HS 17.288
Summary:

Further chemicals used for fixing, including bromide potash.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[21 March 1839]
Source of text:
RS:HS 17.289
Summary:

Comments on Louis Daguerre's use of muriatic ether, and encloses a photograph of hand writing.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[28 March 1839]
Source of text:
RS:HS 17.290
Summary:

Comments on a number of chemicals used in photography, as well as referring to JH's process of making 'enlargements.'

Contributor:
John Herschel Project