Search: 1830-1839::1839::03::15 in date 
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Faraday1149

From:
Robert Edmond Grant
To:
Michael Faraday
Date:
15 March 1839
Source of text:
ULC Add MS 7656, TR56a
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1150

From:
Edmund Storr Halswell
To:
Michael Faraday
Date:
15 March 1839
Source of text:
RI MS F1 H90
Summary:

No summary available.

Contributor:
Faraday Project

Herschel1162

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
1839-3-[15 or earlie
Source of text:
RS:HS 25.14.20
Summary:

Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism.

Contributor:
John Herschel Project

Herschel1340

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[15 March 1839]
Source of text:
RS:HS 17.288
Summary:

Further chemicals used for fixing, including bromide potash.

Contributor:
John Herschel Project

Herschel2748

From:
Edward Sabine
To:
Sir John Herschel
Date:
[15 March 1839]
Source of text:
RS:HS 15.28
Summary:

Strongly urges JH to support employment of artillery men in the St. Helena and Canada fixed observatories, citing the approval of the private secretary. Reports that four sets of magnetic instruments have been ordered.

Contributor:
John Herschel Project

Herschel2749

From:
Edward Sabine
To:
Sir John Herschel
Date:
[15 March 1839]
Source of text:
RS:HS 15.29
Summary:

Asks JH to read enclosed item and send it to [J. F.] Daniell, who in turn will send it to John Phillips, so that they might be ready to reply to the Council.

Contributor:
John Herschel Project
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