Search: Herschel, John in correspondent 
Herschel, John in addressee 
letter in document-type 
1840-1849::1845::04::01 in date 
Sorted by:

Showing 13 of 3 items

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
1845-4
Source of text:
RS:HS 6.221
Summary:

Regarding pens and suitable ink for various types. Further comments on the inscription for Francis Baily's memorial tablet.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1 April 1845]
Source of text:
TxU:H/M-0521.11; Reel 1093
Summary:

Reply from G. A. Erman to JH's circular is best one yet received. Erman recommends calculating magnetic constants of 1829. ES suggests grant from B.A.A.S. to fund this. Alexander Humboldt will reply soon. Charles Wheatstone should describe new apparatus in letter to JH that can be sent to observatories.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 April 1845]
Source of text:
RS:HS 1.146 (C: RGO 6.675.387)
Summary:

Regarding magnetic establishments and observations.

Contributor:
John Herschel Project