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DCP-LETT-587

From:
Charles Robert Darwin
To:
George Robert Gray
Date:
[Feb 1841]
Source of text:
The British Library (Egerton MS 2348: 239)
Summary:

In a revise [of Birds] CD has altered "Colaptes Chilensis Vigors" to "Chrysoptilus Chilensis G. R. Gray". Is that right?

Contributor:
Darwin Correspondence Project

DCP-LETT-589

From:
Charles Robert Darwin
To:
George Robert Gray
Date:
[Feb–Mar 1841]
Source of text:
The British Library (Egerton MS 2348: 240)
Summary:

Sends proof of index of final number of Birds for checking.

Contributor:
Darwin Correspondence Project
Text Online

FVM-41-02-01

From:
Iwanne Müller
To:
Ferdinand von Mueller
Date:
1 February 1841
Source of text:
RB MSS M99.1, Library, Royal Botanic Gardens Melbourne
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project

Herschel10624

From:
Luke Howard
To:
Sir John Herschel
Date:
[1 February 1841]
Source of text:
RS:HS 10.5
Summary:

Has been considering the reasons for the great depression of the barometer in November 1840. Thinks JH may be interested in the enclosed essay. Would be pleased if it could be read to the Royal Society.

Contributor:
John Herschel Project

Herschel8367

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1841-2?]
Source of text:
RS:HS 19.166
Summary:

Explains 'discordances' as contraction of damp paper. Use 'Engraved Squares' to avoid this error. Possible error in barometer observations from Montreal. Diurnal 'undulation' appearing in data. American observations arrived, may fill 'missing intervals.' Keep record of expenses incurred. Postscript on color variation in stars.

Contributor:
John Herschel Project

Herschel9504

From:
Sir John Herschel
To:
Robert FitzRoy
Date:
[2 February 1841]
Source of text:
RS:HS 7.249
Summary:

Returning some papers that should have been returned earlier. Hopes all are well.

Contributor:
John Herschel Project

Herschel2859

From:
Edward Sabine
To:
Sir John Herschel
Date:
[2 February 1841]
Source of text:
RS:HS 15.139
Summary:

Encloses letter from G. B. Airy. Suggests new method of magnetic observation.

Contributor:
John Herschel Project

Herschel2843

From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 February 1841]
Source of text:
RS:HS 15.123
Summary:

Has learned of the availability of a house at Kew, which could be used as a magnetic and meteorological observatory. Dr. Robinson has received the instruments.

Contributor:
John Herschel Project

Herschel2860

From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 February 1841]
Source of text:
RS:HS 15.140
Summary:

Presents data on various disturbances. Awaits advice from C. F. Gauss. Discusses determination of intervals between observations. Mentions proposal to continue observations for 3 years.

Contributor:
John Herschel Project

Herschel8617

From:
Sir John Herschel
To:
Julian Jackson
Date:
[5 February 1841]
Source of text:
Royal Geographical Society
Summary:

A portable magnetometer purchased by the B.A.A.S. is now available as a loan for use in magnetic survey of British Guyana.

Contributor:
John Herschel Project

Herschel2465

From:
Edward Sabine
To:
Sir John Herschel
Date:
7 February [1841?]
Source of text:
RS:HS 15.319
Summary:

Will be happy to send particulars from [C. F.] Gauss's information. [Humphrey] Lloyd's instrument records changes in horizontal intensity best. Wants to employ magnetometers in New York.

Contributor:
John Herschel Project

Herschel1733

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 February 1841]
Source of text:
TxU:H/M-0627.2
Summary:

A notice of meeting of the Standards Commission.

Contributor:
John Herschel Project

Herschel1734

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 February 1841]
Source of text:
TxU:H/M-0627.3
Summary:

A note to accompany a draft of the report of the Standards Commission.

Contributor:
John Herschel Project

Herschel528

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 February 1841]
Source of text:
RGO 6.340.298a
Summary:

Sends JH a copy of draft report [see JH's 1841-1-20], and indicates procedure for coming meeting.

Contributor:
John Herschel Project

Herschel6883

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[9 February 1841]
Source of text:
RS:HS 6.185
Summary:

Regarding JH's telescope. Includes a rhyme on it.

Contributor:
John Herschel Project

Herschel2861

From:
Sir John Herschel
To:
Edward Sabine
Date:
[9 February 1841]
Source of text:
RS:HS 15.141 (C: RS:HS 22.111)
Summary:

Advice for standardizing observations, to be given to the Physical Committee of the R.S.L.

Contributor:
John Herschel Project
Text Online

Faraday1338

From:
Benjamin Humphrey Smart
To:
Michael Faraday
Date:
10 February 1841
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1337

From:
Michael Faraday
To:
Trinity House
Date:
10 February 1841
Source of text:
GL MS 30108/1/58
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1336

From:
Michael Faraday
To:
William Daniel Jones
Date:
10 February 1841
Source of text:
RMA WO150 / 24, f.49
Summary:

No summary available.

Contributor:
Faraday Project

Herschel10737

From:
Sir John Herschel
To:
Robert Hunt
Date:
[10 February 1841]
Source of text:
RS:HS 22.79
Summary:

Has not lately done much work in photography, except to work with paper treated with vegetable substances.

Contributor:
John Herschel Project
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