Search: 1820-1829 in date 
Hussey, Thomas John in addressee 
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Herschel10783

From:
Sir John Herschel
To:
Thomas John Hussey
Date:
[31 December 1825]
Source of text:
RS:HS 10.137 & 20.227
Summary:

Sending by the bearer mirror No. 3 of which he spoke. Will exchange it for Troughton's if TH can make use of JH's. Do not attempt to clean Edward Troughton's mirror with acid. Hopes he does not feel obliged to carry out any particular series of observations.

Contributor:
John Herschel Project

Herschel9017

From:
Sir John Herschel
To:
Thomas John Hussey
Date:
[11 October 1827]
Source of text:
Univ.Coll.London MS Graves 23(1) (draft: RS:HS 10.138 & C: 20.264)
Summary:

Has been able to destroy a large portion of the color of brown sugar by the use of chlorine. If these hints are of use to TH's friend, TH may convey them.

Contributor:
John Herschel Project

Herschel9018

From:
Sir John Herschel
To:
Thomas John Hussey
Date:
[2 August 1828]
Source of text:
Univ.Coll.London MS Graves 23(1)
Summary:

Gives references to good sources on astronomical projections. Discusses this subject and also logarithmic tables.

Contributor:
John Herschel Project
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