Search: Herschel, John in correspondent 
Sykes, William Henry in correspondent 
letter in document-type 
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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

Herschel3142

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[27 April 1850]
Source of text:
RS:HS 17.147
Summary:

Discusses balloon experiments to explain fall of barometer with humidity, and explains more discrepancies in vapor-pressure observations. Mentions new 'Hygrometric condenser' as an alternative to wet bulb experiments.

Contributor:
John Herschel Project

Herschel3167

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[17 January 1848]
Source of text:
RS:HS 17.144a
Summary:

Requests letter ascertaining William Mann's competence, assuring his hiring as astronomer at Madras.

Contributor:
John Herschel Project

Herschel3200

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[22 March 1850]
Source of text:
RS:HS 17.145
Summary:

Regrets missing JH's visit; discusses influences of atmosphere and solar position on Indian weather and difficulty it causes in obtaining meteorological laws.

Contributor:
John Herschel Project

Herschel3217

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[19 April 1850]
Source of text:
RS:HS 17.146
Summary:

Clarifies results of pressure oscillations on two coasts of India as similar despite different weather conditions, and deems results thus unsatisfactory; explores reasons and suggests solutions for lack of success.

Contributor:
John Herschel Project

Herschel3231

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[22 November 1851]
Source of text:
RS:HS 17.148
Summary:

Noting discrepancy between dew points obtained by wet bulb and direct methods, WS cannot say which is nearer the truth; suspects that both have inaccuracies.

Contributor:
John Herschel Project

Herschel3267

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[9 January 1862]
Source of text:
RS:HS 17.157
Summary:

Invites JH to meeting of Balloon Committee and updates everything in previous letter.

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

Herschel3399

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[15 January 1852]
Source of text:
RS:HS 17.149
Summary:

Agrees with papers demonstrating falsity of present methods of correcting barometer for moisture and 'dogma of one gas being a vacuum to another.'

Contributor:
John Herschel Project

Herschel3409

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[4 November 1845]
Source of text:
RS:HS 17.142
Summary:

Expresses satisfaction with results of continued magnetic and meteorological observations in various locations.

Contributor:
John Herschel Project

Herschel3459

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[1852?]
Source of text:
RS MM.16.165
Summary:

Suggests possible times to meet with JH.

Contributor:
John Herschel Project

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

Herschel3495

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[28 October 1861]
Source of text:
RS:HS 17.156
Summary:

Updates JH on activities of Balloon Committee, and thanks him for suggestion regarding temperature measurement. Mentions improving health of Mrs. Sykes.

Contributor:
John Herschel Project

Herschel3511

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[18 January 1862]
Source of text:
RS:HS 17.158
Summary:

Asks for JH's opinion on balloon ascents, to be presented at next Balloon Committee meeting. Explains enclosed letters and diagrams regarding ascents; mentions that new thermometer suggested by JH is under construction.

Contributor:
John Herschel Project

Herschel3531

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[13 November 1851?]
Source of text:
RS MM.16.164
Summary:

Reports on and discusses applications of hourly wet bulb observations in ocean.

Contributor:
John Herschel Project

Herschel3574

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[11 April 1839]
Source of text:
RS:HS 17.139
Summary:

Offers JH professorship of astronomy at Oxford and hopes to see him at meeting of Meteorological Committee.

Contributor:
John Herschel Project

Herschel3575

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[27 November 1844]
Source of text:
RS:HS 17.141
Summary:

Regrets that he cannot offer JH the information he needs regarding the stature of service-men, but suggests places for further searching. Shares observations about relationships between dew point and barometer.

Contributor:
John Herschel Project

Herschel3577

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[7 October 1862]
Source of text:
RS:HS 17.159
Summary:

Communicates Balloon Committee's feeling that balloon should not go as high as JH suggested, despite Henry Coxwell's having safely ascended higher. Reports successful presentation of previous results, hoping that Committee will find sufficient funding to continue.

Contributor:
John Herschel Project

Herschel4506

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[4 May 1852]
Source of text:
Harvard: Houghton AAH 67m-67 (99)
Summary:

Asks JH to look at a letter by John Forbes Watson, whose paper the R.S.L. recently refused to read.

Contributor:
John Herschel Project

Herschel7508

From:
William Henry Sykes
To:
Sir John Herschel
Date:
[10 August 1847]
Source of text:
RAS:JH Archive 10/5.25; Reel 9
Summary:

Assures JH that [Cape Results] will receive warm welcome in libraries of India. Suggests other recipients there. Send copies with dispatches from India House.

Contributor:
John Herschel Project
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