Search: Herschel, John in correspondent 
1870-1879::1870::05::09 in date 
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Herschel4060

From:
Eyre B. Powell
To:
Sir John Herschel
Date:
[9 May 1870]
Source of text:
RS:HS 14.185
Summary:

Thanks JH for mention of him in Outlines Astr. Sends detailed observations of Alpha Centauri system.

Contributor:
John Herschel Project

Herschel8429

From:
Hubert Airy
To:
Sir John Herschel
Date:
[9 May 1870]
Source of text:
RS:HS 19.311
Summary:

Describes difficulties in producing glass pen and attaching it to pendulum to produce precise curves for aligning equatorial [telescope mount]. Sent artistic sample to JH's wife.

Contributor:
John Herschel Project
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