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Herschel, John in correspondent 
De Morgan, Augustus in correspondent 
1870-1879::1870::06 in date 
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From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[17 June 1870]
Source of text:
RS:HS 24.319
Summary:

Writes about JH's health; justifies writing by sending some curves prepared by JH's son Alexander.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 June 1870]
Source of text:
RS:HS 6.415
Summary:

Is creeping along slowly like Alcuin's snail. Curvers are very curious. Informs him where there is an account of Coca. Comments on this as a tonic.

Contributor:
John Herschel Project