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Herschel11487

From:
Sir John Herschel
To:
John William Lubbock
Date:
[14 September 1861]
Source of text:
RS:HS 11.400 (C: RS:HS 23.339)
Summary:

About the barometric formula for the measurement of heights.

Contributor:
John Herschel Project

Herschel11488

From:
John William Lubbock
To:
Sir John Herschel
Date:
[18 September 1861]
Source of text:
RS:HS 11.401
Summary:

Of course JH is right; regrets he gave him so much trouble. Hopes his own construction of P. S. Laplace's atmosphere is correct. Hopes JH's daughter had a prosperous journey.

Contributor:
John Herschel Project

Herschel3608

From:
Sir John Herschel
To:
W[illiam] P[arkinson] Wilson
Date:
[1 September 1861]
Source of text:
RS Sa.670
Summary:

Outlines advantages of erecting great reflector in Melbourne [WW's colony] for observation of southern nebulae.

Contributor:
John Herschel Project

Herschel362

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 September 1861]
Source of text:
RGO 6.476.57
Summary:

Encourages GA to develop some experiments to study the electrical phenomenon [see GA's 1861-9-23] more carefully.

Contributor:
John Herschel Project

Herschel4065

From:
Educational Times
To:
Sir John Herschel
Date:
[5 September 1861]
Source of text:
Harvard: Houghton
Summary:

Asks JH to contribute to The Educational Times.

Contributor:
John Herschel Project

Herschel4867

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 September 1861]
Source of text:
RS:HS 1.255 (C: RGO 6.476.55)
Summary:

Encloses printed copies of letters received from Johann Lamont regarding apparatus for examining Galvanic currents in the earth; would like his comments on them. Gave lecture in Manchester on the eclipse.

Contributor:
John Herschel Project

Herschel6366

From:
Eustace Button
To:
Sir John Herschel
Date:
[4 September 1861]
Source of text:
RS:HS 5.131
Summary:

Thanks for his information. Has been trying to obtain a copy of JH's Outlines Astr. Further queries regarding trade-winds.

Contributor:
John Herschel Project

Herschel8160

From:
Alfred P. Wire
To:
Sir John Herschel
Date:
[17 September 1861]
Source of text:
RS:HS 18.428
Summary:

Compares JH's 'stereoscopic phenakistiscope' (in 'Instantaneous Photography,' 1860) with AW's invention called 'Thaumatrope.' Suggests how to make moving pictures. 'Government Certificated [School] Masters' in England, Ireland, and Scotland should be enlisted to make meteorology observations.

Contributor:
John Herschel Project

Herschel8161

From:
Sir John Herschel
To:
Alfred P. Wire
Date:
[26 September 1861]
Source of text:
RS:HS 23.340
Summary:

AW's 'Thaumatrope' is ingenious, but applies only to periodic movement. JH aims to reproduce non-periodic motion. Commends AW's suggestion to employ government schoolmasters as meteorology observers.

Contributor:
John Herschel Project

Herschel8162

From:
Alfred P. Wire
To:
Sir John Herschel
Date:
[30 September 1861]
Source of text:
RS:HS 18.429
Summary:

JH's reply was first AW heard that 'Stereoscopic Thaumatrope' had already been made. Lists two requirements for workable system of enlisting government schoolmasters for meteorological observations. AW and fellow students are ready to assist.

Contributor:
John Herschel Project

JHC1346

From:
Sir Joseph Dalton Hooker
To:
George Bentham
Date:
3 September 1861
Source of text:
JDH/2/3/2 f.136, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project

Tyndall1807

From:
Richard Dawes
To:
John Tyndall
Date:
Sept. 9th
Source of text:
MS JT/1/TYP/1/322a, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall1808

From:
Thomas Archer Hirst
To:
John Tyndall
Date:
Sepr 10th 1861
Source of text:
MS JT/1/H/246, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall1809

From:
Michael Faraday
To:
John Tyndall
Date:
11th Sept. 1861
Source of text:
MS JT/1/TYP/12/4152; 6:4056, RI; Faraday Correspondence
Summary:

No summary available.

Contributor:
Tyndall Project
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