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From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[11 March 1845]
Source of text:
B.A.A.S. Report 1845 (1846), 38-42
Summary:

Expresses thanks for receipt of Toronto magnetical and meteorological observations. Encourages continuation of British observations. Makes proposal for future work.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[12 December 1848]
Source of text:
RS:HS 7.102
Summary:

Sending one of his own books, which he hopes JH will study.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[9 May 1851]
Source of text:
RS:HS 7.103
Summary:

Sends a paper. Comments on temperature at low altitudes and listing papers known on this subject.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[28 April 1870]
Source of text:
RS:HS 7.104
Summary:

Sends two of his publications, one on terrestrial magnetism at Berlin. Comments on the results, and wonders if JH would enlist the help of the B.A.A.S. to finance further studies by H. J. R. Petersen.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[20 October 1870]
Source of text:
RS:HS 7.105
Summary:

Did not receive JH's letters as he was away from the University. Rejoices at his news of the B.A.A.S. grant.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[20 December 1870]
Source of text:
RS:HS 7.106
Summary:

Sends an article from the Astronomische Nachrichten acknowledging the assistance of the B.A.A.S. to two Prussian scientists.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[2 March 1871]
Source of text:
RS:HS 7.108-9
Summary:

Outlines the recent work in terrestrial magnetism by H. T. R. Petersen and himself. Comments on their results.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[27 March 1871]
Source of text:
RS:HS 7.111
Summary:

Thanks JH for assistance in settling matters with the B.A.A.S.; comments about travel plans and magnetic observations.

Contributor:
John Herschel Project
From:
Georg Adolph Erman
To:
Sir John Herschel
Date:
[31 March 1871]
Source of text:
RS:HS 7.112
Summary:

Regrets that his bad handwriting caused JH to misread some of his remarks. Will try to produce a clearer exposition of his results. Comments on his expositions.

Contributor:
John Herschel Project