Search: Herschel, John in addressee 
1840-1849::1842 in date 
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Herschel12264

From:
Thomas John Newbold
To:
Sir John Herschel
Date:
[15 July 1842]
Source of text:
RS:HS 13.121
Summary:

On his last passage down the Red Sea the Captain informed TN of the singular alteration of his chronometers. Comments on this and would like JH's views. Magnetic station at Aden has never been set up and the instruments are still at Bombay. Examined the ancient canal while at Suez. Will be pleased to assist JH in any way.

Contributor:
John Herschel Project

Herschel12437

From:
George Peacock
To:
Sir John Herschel
Date:
[25 March 1842]
Source of text:
RS:HS 13.294
Summary:

About arrangements to visit JH at Collingwood.

Contributor:
John Herschel Project

Herschel1281

From:
[Alexander J. B. Hope?]
To:
Sir John Herschel
Date:
[6 July 1842]
Source of text:
RS:HS B27.53
Summary:

A proposal to complete the calculating machine has been made by Charles Babbage, and AH wants JH's opinion of it.

Contributor:
John Herschel Project

Herschel13619

From:
William H. Allen
To:
Sir John Herschel
Date:
[24 June 1842]
Source of text:
TxU:H/M-0004; Reel 1062
Summary:

Acknowledges JH's payment for stationery for Breslau magnetic observatory.

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

Herschel1363

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[2 June 1842]
Source of text:
RS:HS 17.312
Summary:

Carl Steinheil has proposed making telescope mirrors by plating silver on glass. Is writing to JH to tell him that somewhat earlier he had included this process in one of his patents.

Contributor:
John Herschel Project

Herschel13725

From:
John Elliot Drinkwater-Bethune
To:
Sir John Herschel
Date:
14 January [1842]
Source of text:
TxU:H/M-0081; Reel 1087
Summary:

Encloses JB's letter [21 Dec. 1841] to Chancellor of Exchequer [H. Goulburn] advocating adoption of metric system. Hopes [members of Standards Commission] will not consider JB obstinate. Admits that JH's opposition to system has advantage of authority and conservatism.

Contributor:
John Herschel Project

Herschel13814

From:
George Dollond
To:
Sir John Herschel
Date:
[19 December 1842]
Source of text:
TxU:H/M-0164; Reel 1087
Summary:

Papers arrived safely. Will report GD's opinion on these soon.

Contributor:
John Herschel Project

Herschel13815

From:
George Dollond
To:
Sir John Herschel
Date:
[23 December 1842]
Source of text:
TxU:H/M-0165; Reel 1087
Summary:

Sees too many difficulties in optics of JH's proposed telescope. Can build mechanical portion, but not by March as JH requires. Cannot give estimate, because design is too novel.

Contributor:
John Herschel Project

Herschel13816

From:
George Dollond
To:
Sir John Herschel
Date:
[27 December 1842]
Source of text:
TxU:H/M-0166; Reel 1087
Summary:

Will begin building components that JH identified as most immediately needed. Confirm scale of JH's drawings. Will send samples of prism glass for JH to inspect. Cannot yet estimate cost.

Contributor:
John Herschel Project

Herschel13825

From:
T. Dyson
To:
Sir John Herschel
Date:
[10 July 1842]
Source of text:
TxU:H/M-0173.1; Reel 1087
Summary:

Does JH plan to publish 'Treatise on Light' in separate form?

Contributor:
John Herschel Project

Herschel14214

From:
John Phillips
To:
Sir John Herschel
Date:
[10 May 1842]
Source of text:
TxU:H/M-0428.12; Reel 1093
Summary:

Asks whether JH will be prepared to give the committee report on systems of simultaneous magnetical and meteorological observations at the B.A.A.S. meeting on 23 June.

Contributor:
John Herschel Project

Herschel14215

From:
John Phillips
To:
Sir John Herschel
Date:
[10 May 1842]
Source of text:
TxU:H/M-0428.13; Reel 1093
Summary:

Asks whether JH will be prepared to present the committee report on N. L. Lacaille's stars at the B.A.A.S. meeting on 23 June.

Contributor:
John Herschel Project

Herschel14216

From:
John Phillips
To:
Sir John Herschel
Date:
[10 July 1842]
Source of text:
TxU:H/M-0428.14; Reel 1093
Summary:

JH, William Whewell, George Peacock, Humphrey Lloyd, and Edward Sabine are appointed by the B.A.A.S. to study systems of simultaneous magnetical and meteorological observations. They will be granted £89.

Contributor:
John Herschel Project

Herschel14359

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842 to 1845]
Source of text:
TxU:H/M-0517.3; Reel 1093
Summary:

Hopes royal observatory at Cape of Good Hope will relieve Ordnance department. U.S. government agreed to pay for publication of observations there. A. D. Bache favors continuance of hourly meteorological observations in U.S. for one year. G. A. Erman will attend meeting at Cambridge. German translations by ES's wife.

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

Herschel14361

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842 to 1843]-6-12
Source of text:
TxU:H/M-0517.5; Reel 1093
Summary:

Asks JH to inspect first magnetic and meteorological observations from [Tasmania] and Toronto. Hopes North American observations will be increased.

Contributor:
John Herschel Project

Herschel14368

From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 June 1842]
Source of text:
TxU:H/M-0519; Reel 1093
Summary:

Encloses bill from W. H. Allen & Co. regarding Breslau observatory. [JH annotation: Details of bill.]

Contributor:
John Herschel Project

Herschel14710

From:
'Q in a Corner'
To:
Sir John Herschel
Date:
[16 March 1842]
Source of text:
TxU:H/M-0908; Reel 1083
Summary:

Encloses newspaper clipping that reports JH is member of commission of inquiry on weights and measures. Protests that the poor are defrauded more by false scales than by nonstandard weights. Proposes remedy.

Contributor:
John Herschel Project

Herschel14793

From:
George Peacock
To:
Sir John Herschel
Date:
[1842 or 1845]-5-22
Source of text:
TxU:H/M-1206; Reel 1060
Summary:

GP's views on continuation of magnetic observatories in colonies.

Contributor:
John Herschel Project
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