Search: Littrow, Joseph Johann in author 
1820-1829::1822 in date 
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From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[2 January 1822]
Source of text:
RS:HS 11.235-6
Summary:

Sends books and observations for various observatories. Comments on recent astronomical work. Points out some discrepancies in John Pond's works. Praises the telescopes of Josef Fraunhofer.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[13 March 1822]
Source of text:
RS:HS 11.234
Summary:

Has he received the copies of the Vienna Observations? Encloses a small pamphlet of interest to mariners. What does he think of Josef Fraunhofer's micrometer for observing double stars? Is writing this letter on his birthday.

Contributor:
John Herschel Project
From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[22 August 1822]
Source of text:
RS:HS 11.237
Summary:

Books per N. M. Rothschild have not yet arrived. Has arranged a standing order for the Vienna Observations. The Robert Molyneux clock can be dispatched at once. Agrees with JH that double stars are the test of a good telescope.

Contributor:
John Herschel Project