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DCP-LETT-773

From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[1 Sept 1844]
Source of text:
American Philosophical Society (Mss.B.D25.39)
Summary:

Asks about CL’s new book [Travels in North America (1845)].

Discusses views of A. D. d’Orbigny on elevation.

Mentions reading W. H. Prescott [History of the conquest of Mexico (1843)].

Contributor:
Darwin Correspondence Project

Herschel6933

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1844-[9 or later]
Source of text:
RS:HS 22.217
Summary:

JH agrees to write a biographical sketch of Francis Baily, and hopes he can count on others for information.

Contributor:
John Herschel Project

Herschel6934

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1844-[9 or later]
Source of text:
RS:HS 22.218
Summary:

Continues to work on biographical sketch of Francis Baily [see JH's 1844]; is working through a lot of material to do it.

Contributor:
John Herschel Project

Herschel8308

From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1 September 1844]
Source of text:
RS:HS 19.114
Summary:

WB's wave models show that barometer observations will reveal atmospheric dynamics like astronomical observations revealed planetary orbits. Encourages WB to seek simple method of temperature corrections applicable to all barometers. Offers possible mechanism. Send results to B.A.A.S quickly. Will send WB's letter to [Magnetical and Meteorological] Committee.

Contributor:
John Herschel Project
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