Search: 1820-1829 in date 
Herschel, John in correspondent 
Biot, Jean Baptiste in correspondent 
Sorted by:

Showing 14 of 4 items

From:
Sir John Herschel
To:
Jean Baptiste Biot
Date:
[25 April 1820]
Source of text:
RS:HS 4.87 (C: RS:HS 20.93)
Summary:

Fears that a letter written to him in November may not have reached him. Will send him a copy of his paper of colors. A Philosophical Society has been formed at Cambridge.

Contributor:
John Herschel Project
From:
Jean Baptiste Biot
To:
Sir John Herschel
Date:
[6 May 1820]
Source of text:
RS:HS 4.88
Summary:

Has received his letter written in November a little late. Observations on refraction and allied subjects.

Contributor:
John Herschel Project
From:
Jean Baptiste Biot
To:
Sir John Herschel
Date:
[26 September 1820]
Source of text:
RS:HS 4.89
Summary:

Further information on his experiments with refraction in various crystals, especially topaz.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Jean Baptiste Biot
Date:
[12 January 1821]
Source of text:
RS:HS 4.90 & 20.108
Summary:

Regarding refraction in crystals of apophyllite and quartz.

Contributor:
John Herschel Project