Search: Sykes, William Henry in correspondent 
No in transcription-available 
Sorted by:

Showing 21–40 of 42 items

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

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

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

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

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

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

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

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

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

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
Author
Addressee
Correspondent
Date
Document type
Repository
Contributor
Transcription available