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Herschel6595

From:
C[harles Louis] Chevalier
To:
Sir John Herschel
Date:
[2 October 1840]
Source of text:
RS:HS 5.336
Summary:

Thanks for his letter regarding his own new object glass. As he has shown interest he sends further details of his latest modifications.

Contributor:
John Herschel Project
Text Online

Faraday1313

From:
Michael Faraday
To:
William Robert Grove
Date:
2 October 1840
Source of text:
RI MS G F7
Summary:

No summary available.

Contributor:
Faraday Project

Herschel10101

From:
James Grahame
To:
Sir John Herschel
Date:
[3 October 1840]
Source of text:
RS:HS 8.438
Summary:

Note accompanying a sketch of an earlier time in the lives of JG and JH (sketch by Jane Grahame).

Contributor:
John Herschel Project
Text Online

Tyndall0013

From:
John Tyndall, Snr
To:
John Tyndall
Date:
Oct. 5th. 1840.
Source of text:
MS JT/1/10/3190, RI
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online

Tyndall0014

From:
John Tyndall
To:
John Tyndall, Snr
Date:
Oct. 7th, 1840.
Source of text:
MS JT/1/10/3191, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel2826

From:
Edward Sabine
To:
Sir John Herschel
Date:
[8 October 1840]
Source of text:
RS:HS 15.106
Summary:

Actinometers for [Louis] Agassiz and John Caldecott are ready. Asks if JH wants to compare them to his standard instrument. Excessive magnetic disturbances in May were found simultaneously in Göttingen and Toronto, but the curves do not correspond.

Contributor:
John Herschel Project
Text Online

Tyndall0015

From:
Maria Payne
To:
John Tyndall
Date:
Oct 9th 1840.
Source of text:
MS JT/1/10/3137, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel1573

From:
Sir John Herschel
To:
James Challis
Date:
[10 October 1840]
Source of text:
CUOL 1840.19
Summary:

A note of thanks for the eleventh volume of the Cambridge Observatory observations; JH is sorry that he missed JC in Oxford during the summer.

Contributor:
John Herschel Project

Herschel2827

From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 October 1840]
Source of text:
RS:HS 15.107
Summary:

Has requested John Caldecott to do what is needful to his own and [Louis] Agassiz's actinometers. Mentions great magnetic disturbances in June are not correlated in Toronto, Greenwich, and other observatories. Mentions proposal for correlation of observations between U.S. and Britain. ES leaves soon for Guernsey.

Contributor:
John Herschel Project
Text Online

Faraday1314

From:
Michael Faraday
To:
William Daniel Jones
Date:
12 October 1840
Source of text:
RMA WO150 / 23, f.151
Summary:

No summary available.

Contributor:
Faraday Project

Herschel13529

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[13 October 1840]
Source of text:
TxU:H/L-0760.1; Reel 1089 (ACCS: RGO 6.340.283)
Summary:

Asks JH for comments on GA's proposals for the Standards Commission [see JH's 1840-7-29]; GA comments on some time spent recently in Glasgow and surrounding regions.

Contributor:
John Herschel Project
Text Online

Tyndall0016

From:
John Tyndall
To:
Emma Tyndall
Date:
Tuesday night, Oct. 13th, 1840.
Source of text:
MS JT/1/10/3192, RI
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online

Faraday1315

From:
William George Armstrong
To:
Michael Faraday
Date:
14 October 1840
Source of text:
Armstrong (1840a), 370-2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1315a

From:
Faraday report
To:
Trinity House
Date:
16 October 1840
Source of text:
LMA CLC/526/MS 30108/A1, pp.144-56
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

HENSLOW-79

From:
Ettwin Lumholtz
To:
J. S. Henslow
Date:
17 October 1840
Source of text:
Cambridge University Library MS Add. 8176: 76
Summary:

No summary available.

Contributor:
Henslow Correspondence Project

Herschel8140

From:
R. Wilcox
To:
Sir John Herschel
Date:
[17 October 1840]
Source of text:
RS:HS 18.407
Summary:

New magnetic observatory to be established in India. Instrument, made by [T. R.] Robinson and Mr. Newman, will be sent to R.S.L. for examination and testing before shipment. Questions best times for daily barometer observations.

Contributor:
John Herschel Project

Herschel11023

From:
Richard Jones
To:
Margaret Brodie Herschel
Date:
[17 October 1840]
Source of text:
RS:HS 10.365
Summary:

Has been troubled with his face again. Regarding the Scotch ale, which can be obtained to order in London. Saw J. F. Encke in town and he has now sailed. Francis Jeff[re]y (Lord Jeffrey) has been staying at Haileybury and speaks much of JH.

Contributor:
John Herschel Project
Text Online

Tyndall0017

From:
John Conwill
To:
John Tyndall
Date:
October 19th 1840
Source of text:
MS JT/1/11/3512, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Herschel1186

From:
John Phillips
To:
Sir John Herschel
Date:
[19 October 1840]
Source of text:
RS:HS B26.3
Summary:

Informs JH that the B.A.A.S. has placed him on a committee to provide two actinometers for observing high in the Alps.

Contributor:
John Herschel Project

Herschel1187

From:
John Phillips
To:
Sir John Herschel
Date:
[19 October 1840]
Source of text:
RS:HS B26.4
Summary:

Informs JH that the B.A.A.S. has placed him on a committee to study the possibility of using balloon ascents to study the upper atmosphere.

Contributor:
John Herschel Project
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