Search: Littrow, Joseph Johann in author 
1820-1829::1827 in date 
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From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[25 July 1827]
Source of text:
RS:HS 11.252
Summary:

About observing comets, problems with book sellers and shipping books. JL has written a popular astronomy in which he deals with perturbations, precession, and other difficult topics. Would JH like a copy?

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[15 September 1827]
Source of text:
RS:HS 11.253
Summary:

Sends some additions to an earlier paper on object glasses of telescopes; also some observations of the August comet, made by other astronomers.

Contributor:
John Herschel Project