Search: Herschel, John in correspondent 
Sykes, William Henry in correspondent 
1850-1859 in date 
letter in document-type 
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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
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
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
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
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
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