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1860-1869::1866::05::19 in date 
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From:
Sir John Herschel
To:
Sir William Huggins
Date:
[19 May 1866]
Source of text:
RS:HS 24.156
Summary:

Comments on new star reported by WH [see WH's 1866-5-18]; includes diagram of that portion of the sky.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Photographic News
Date:
[19 May 1866]
Source of text:
Photographic News, 10 (May 25, 1866), 244
Summary:

Quotes from an 1840 publication by JH to show JH's priority over a recent request for a patent for 'Magic pictures.' Recounts some recent photographic experiments by JH on the action of light on platinum.

Contributor:
John Herschel Project