Search: Herschel, John in correspondent 
1860-1869::1861::07::01 in date 
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Herschel3390

From:
Sir John Herschel
To:
Marc Seguin
Date:
[1861-7 or later]
Source of text:
RS:HS 17.185
Summary:

Thanks for MS's works, communicated through [Picot] Tremblay. Worries that JH has insufficient time and lags behind in the physical sciences. Comments on ideas put forward in 1824 by JH and discussed by MS. Has found MS's name connected with suspension bridge over Rhone River.

Contributor:
John Herschel Project

Herschel7133

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 July 1861]
Source of text:
RS:HS 6.346
Summary:

Has not heard from him for a long time. Did he receive his red and black logarithms? JH's son Alexander has sent him a mathematical problem. George Bishop has died and the observatory and instruments are to be sold. Sends two riddles. Sees that JH has proved that the sun is liquid fire.

Contributor:
John Herschel Project
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