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Herschel, John in addressee 
Sabine, Edward in correspondent 
1840-1849::1840::04 in date 
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Herschel2804

From:
Edward Sabine
To:
Sir John Herschel
Date:
[10 April 1840]
Source of text:
RS:HS 15.84
Summary:

Discusses Charles Riddell's desire to serve at a North American observatory and the expenses involved.

Contributor:
John Herschel Project

Herschel2805

From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 April 1840]
Source of text:
RS:HS 15.85
Summary:

Suggests a book of expenses be kept at the R.S.L.

Contributor:
John Herschel Project

Herschel2806

From:
Edward Sabine
To:
Sir John Herschel
Date:
[22 April 1840]
Source of text:
RS:HS 15.86
Summary:

Discusses plans for a U.S. magnetic observatory and of [Karl] Kreil's paper about predicting earthquakes. Discusses the affairs of other observatories.

Contributor:
John Herschel Project

Herschel2807

From:
Edward Sabine
To:
Sir John Herschel
Date:
24 April [1840]
Source of text:
RS:HS 15.87
Summary:

Has received materials from [A. D.] Bache indicating that the U.S. government has proposed to establish 5 magnetic observatories.

Contributor:
John Herschel Project

Herschel2477

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1840]-4-25 or later
Source of text:
RS:HS 15.331
Summary:

Hopes [Humphrey] Lloyd will reconsider V.F. Magnetometer based on JH's remarks. Discusses Canadian observatories. States who will perform U. S. magnetic survey. Discusses micrometer use.

Contributor:
John Herschel Project

Herschel2808

From:
Edward Sabine
To:
Sir John Herschel
Date:
[30 April 1840]
Source of text:
RS:HS 15.88
Summary:

Writes of a magnetic survey of a portion of India and the inaccuracy of the equipment used in magnetic observations at sea.

Contributor:
John Herschel Project
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