From:
Charles Pritchard
To:
Sir John Herschel
Date:
[1846?]
Source of text:
RS:HS 14.108
Summary:
Congratulates JH and Margaret Herschel on birth of a daughter [Francisca?]. Asks JH's opinion of the ideas of 'lines of force' and 'lateral shakes.' Conducts a force experiment with J. P. Gassiot.
Contributor:
John Herschel Project