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Sykes, William Henry in correspondent 
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RS-MM-001124

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
13 November 1851
Source of text:
MM/16/164, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001125

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
19 January 1852
Source of text:
MM/16/165, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001126

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
20 January 1852
Source of text:
MM/16/166, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001127

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
20 January 1852
Source of text:
MM/16/167, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001128

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
21 January 1852
Source of text:
MM/16/168, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001131

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
3 February 1852
Source of text:
MM/16/172, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001132

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
23 February 1852
Source of text:
MM/16/173, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001133

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
23 February 1852
Source of text:
MM/16/174, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001134

From:
John Frederick William Herschel
To:
William Henry Sykes
Date:
5 March 1852
Source of text:
MM/16/175, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

Herschel3168

From:
Sir John Herschel
To:
William Henry Sykes
Date:
1848[-1-17 or later]
Source of text:
RS:HS 17.144b
Summary:

JH writes to the best of his knowledge about William Mann's competence in various areas.

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

Herschel3197

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[11 March 1847]
Source of text:
RS:HS 17.143 (C: RS:HS 22.308)
Summary:

Notes that actinometer observations prove faulty due to problem with instruments. Asks that WS notify Indian observatories to join others in terminating such observations until JH finds method of getting around problem.

Contributor:
John Herschel Project

Herschel3296

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[12 April 1839]
Source of text:
RS:HS 17.140 (C: RS:HS 22.8)
Summary:

Thanks WS for offer of professorship of astronomy at Oxford, but declines it, partly because of other pursuits and health reasons, and considers his astronomical career terminated.

Contributor:
John Herschel Project

Herschel3385

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[24 October 1861]
Source of text:
RS:HS 17.155 (C: RS:HS 23.343)
Summary:

Stresses importance for Balloon Committee of obtaining corresponding temperatures and pressures; describes two highly sensitive thermometers that might be built for this purpose.

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

Herschel3482

From:
Sir John Herschel
To:
William Henry Sykes
Date:
[2 February 1852]
Source of text:
RS MM 16.171
Summary:

Suggests course of action regarding 'Gen'l. Cullen's [?]' hydrometric observations submitted to R.S.L.

Contributor:
John Herschel Project

Herschel14354

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[7 July 1845]
Source of text:
TxU:H/M-0514; Reel 1093
Summary:

Reduction of observations will begin immediately.

Contributor:
John Herschel Project

Herschel14355

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[3 December 1850]
Source of text:
TxU:H/M-0515; Reel 1093
Summary:

Thanks for signing certificate for [C. M.] Elliott. Sends extracts from George Buist's history of heat storms in India, with evidence of great masses of ice dropped by these storms.

Contributor:
John Herschel Project

Herschel14356

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[6 July 1851]
Source of text:
TxU:H/M-0516; Reel 1093
Summary:

Glad that Dr. [Duncan] Stewart received promise from Mr. Prinsep of cadetship [in H.E.I.C.] for Stewart's son. WS cannot promise same for young [George] Maclear but will add Maclear to list of applicants for WS's patronage.

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
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