Search: Herschel, John in author 
1850-1859::1858::10::13 in date 
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From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[13 October 1858]
Source of text:
RS:HS 23.243
Summary:

On the definition of an island, and an invitation to lecture about a comet.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Photographic News
Date:
[13 October 1858]
Source of text:
Photographic News, 1 (Oct. 29, 1858), 86
Summary:

Discusses the use in photography of a metallic substance named Junonium.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Crookes
Date:
[13 October 1858]
Source of text:
RS:HS 5.306
Summary:

Has just returned home and found the Photographic News and the queries regarding chemical experiments and photography. Gives details, but regrets he has not published much on it yet as he is still experimenting.

Contributor:
John Herschel Project