Search: John Herschel Project in contributor 
Herschel, John in correspondent 
Photographic News in correspondent 
1850-1859::1858 in date 
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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:
Photographic News
Date:
[6 November 1858]
Source of text:
Photographic News, 1 (Nov. 12, 1858), 110
Summary:

Discusses the use of the stereoscope, including stereoscopic views of the moon and sun. Also discusses the appropriate stereoscopic angle.

Contributor:
John Herschel Project