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Herschel5830

From:
Alfred Brothers
To:
Sir John Herschel
Date:
[7 November 1864]
Source of text:
RS:HS 4.299
Summary:

Regarding the differences between portraits and photographs. Is sending him some magnesium for photographic purposes.

Contributor:
John Herschel Project

DCP-LETT-4662

From:
Hugh Falconer
To:
Charles Robert Darwin
Date:
7 Nov [1864]
Source of text:
DAR 164: 20
Summary:

Hopes CD will be able to receive the Copley Medal in person. HF sees it as doubly significant in recognising CD’s work and as a protest against the profession of religious as opposed to scientific faith.

Contributor:
Darwin Correspondence Project
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Herschel7748

From:
G. Wharton Simpson
To:
Sir John Herschel
Date:
[7 November 1864]
Source of text:
RAS:JH Archive 13/3.110; Reel 10
Summary:

Photographic News received copies of papers from R.S.P.T. giving evidence of [JH's] use of hyposulfite of soda. Will refer to W. H. F. Talbot on use of bromine, as JH suggested. P. B. Goddard of Philadelphia claims to have used bromine in Daguerreotype process in 1839, but did not announce it publicly until 1843.

Contributor:
John Herschel Project

Tyndall2171

From:
John Tyndall
To:
Annette Roche
Date:
7th. Nov. 1864
Source of text:
MS JT/1/TYP/11/3851, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2170

From:
John Tyndall
To:
C. K. Akin
Date:
Undated
Source of text:
29 (1865), pp. 218-31, Phil. Mag.
Summary:

No summary available.

Contributor:
Tyndall Project

RS-MM-001441

From:
Edward Sabine
To:
William Sharpey
Date:
7 November 1864
Source of text:
MM/19/38, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

DCP-LETT-4663

From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
7 Nov 1864
Source of text:
DAR 181: 10
Summary:

Notes Louis Agassiz’s opinions on CD’s views.

Mating and sexual organs of insects.

Contributor:
Darwin Correspondence Project
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