Search: Herschel, John in correspondent 
Wallace, William in correspondent 
Wallace, William in author 
1820-1829::1825 in date 
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Herschel7819

From:
William Wallace
To:
Sir John Herschel
Date:
[5 October 1825]
Source of text:
RS:HS 18.24
Summary:

Introduces Dionysius Lardner, author of system of algebraic geometry, visiting England.

Contributor:
John Herschel Project

Herschel7820

From:
William Wallace
To:
Sir John Herschel
Date:
[1 December 1825]
Source of text:
RS:HS 18.25
Summary:

Received volume on double stars by JH and James South. Followed JH's advice, ordered instruments from Germany. Asked Josef Fraunhofer to design transit instrument to fit pillars designed by Edward Troughton. Quotes Fraunhofer's response [in French] that pillars should be moved to accommodate his instrument. David Brewster anxious for JH to answer last letter.

Contributor:
John Herschel Project
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