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Henderson, Thomas in addressee 
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From:
Sir John Herschel
To:
Thomas Henderson
Date:
[3 June 1827]
Source of text:
NatLibScot MS.3419, f.86
Summary:

Has received TH's alterations for TH's publication. Astronomical Society's council is offering TH some volumes of Greenwich observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Henderson
Date:
[17 January 1829]
Source of text:
RS:HS 9.283 & 21.34
Summary:

Rejoices to hear TH is a candidate for the Professorship of Astronomy at Edinburgh University. His astronomical work has been of great assistance to JH, especially his detection of the reasons for the error in the Greenwich Observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Henderson
Date:
[11 December 1832]
Source of text:
National Maritime Museum (draft: RS:HS 9.285 & C: RS:HS 25.13.3)
Summary:

Proposes to come to the Cape in the ensuing season and would be pleased to bring anything TH may require. Enquires about conditions at the Cape and suitable sites for JH's observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Henderson
Date:
[15 August 1833]
Source of text:
NatLibScot MS.3134, no.51
Summary:

Arranges to meet TH, probably at Slough, and also to get a barometer from TH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Henderson
Date:
[20 October 1833]
Source of text:
EUL:LaII425/24
Summary:

Details about JH's upcoming voyage from Portsmouth [to Cape of Good Hope] and about an expedition going north from the Cape into Central Africa.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Henderson
Date:
[4 February 1842]
Source of text:
RS:HS 9.298 & 22.112
Summary:

Congratulates him on his discovery of the parallax of Alpha Centauri. Comments on this and makes suggestions for further examination.

Contributor:
John Herschel Project