Search: Herschel, John in correspondent 
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1840-1849::1840::06::26 in date 
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Herschel11366

From:
Humphrey Lloyd
To:
Sir John Herschel
Date:
[26 June 1840]
Source of text:
RS:HS 11.274
Summary:

Has received JH's letter with the sheet of curves laid down by [Charles] Riddell. Comments on these. Is honored by the notice JH has taken of his share in the magnetic project. Encloses note on the wet bulb [thermometer].

Contributor:
John Herschel Project

Herschel6882

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 June 1840]
Source of text:
RS:HS 22.55
Summary:

Thanks AD for a correction in one of JH's writings; tries to explain the partial echo that occurs when blowing across the end of an open pipe.

Contributor:
John Herschel Project

Herschel12829

From:
Sir John Herschel
To:
John William Lubbock
Date:
26 June [1840?]
Source of text:
TxU:H/L-0233; Reel 1054
Summary:

Believes that R.S.L.'s request for £3000 grant to establish permanent magnetic and meteorological observatory is too hasty. Urges caution. Points out potential problems.

Contributor:
John Herschel Project
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