Search: Herschel, John in correspondent 
Birt, William Radcliffe in correspondent 
1850-1859::1850::04 in date 
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Herschel5650

From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[12 April 1850]
Source of text:
RS:HS 4.140
Summary:

Is sending for his perusal his own observations on the zodiacal light for the first quarter of the year. Comments on this.

Contributor:
John Herschel Project

Herschel5651

From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[30 April 1850]
Source of text:
RS:HS 4.141
Summary:

Outlining the influence of the recent aurora on the zodiacal light.

Contributor:
John Herschel Project
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