Search: 1850-1859 in date 
Photographic News in correspondent 
Sorted by:

Showing 13 of 3 items

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
From:
Sir John Herschel
To:
Photographic News
Date:
[20 August 1859]
Source of text:
Photographic News, 3 (Sept. 9, 1859), 2-3
Summary:

Recounts experiments JH conducted on the action of the solar spectrum on various silver salts. Explains how JH produced his solar spectrum.

Contributor:
John Herschel Project