Search: 1850-1859 in date 
Herschel, John in correspondent 
Sykes, William Henry in correspondent 
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Showing 21–26 of 26 items

Herschel3460

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[20 July? 1852]
Source of text:
RS MM.16.166
Summary:

Encloses newly-discovered proof that John Forbes Watson's wet bulb depression was not a clerical error.

Contributor:
John Herschel Project

Herschel3135

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[12 August 1852]
Source of text:
RS:HS 17.150
Summary:

Plans date and time for first ascent of balloon experiment. WS's daughter has fallen in love with JH's son William.

Contributor:
John Herschel Project

Herschel3122

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[26 October 1853]
Source of text:
RS:HS 17.151
Summary:

Describes travels abroad and their educational value, news on balloon ascents, barometer corrections, Henri Regnault's hygrometer, invention of electric weaver and other new applications of electricity throughout Europe.

Contributor:
John Herschel Project

Herschel3415

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[16 January 1857]
Source of text:
RS:HS 17.152 (C: RS:HS 23.188)
Summary:

Interprets [John] Dalton's theory of the nonelasticity of gas particles, expressing its limitations, particularly in regard to a Mr. Paton's paper.

Contributor:
John Herschel Project

Herschel3357

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[20 November 1858]
Source of text:
RS:HS 17.153
Summary:

Before meeting of Balloon Committee, requests JH's opinion on value of renewing balloon ascents.

Contributor:
John Herschel Project

Herschel3169

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[23 November 1858]
Source of text:
RS:HS 17.154 (C: RS:HS 23.246)
Summary:

Urges renewal of high balloon ascents with periodic observations both to further knowledge of law of decrement of temperature and pressure and for 'ulterior investigations.'

Contributor:
John Herschel Project
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