From:
Sir John Herschel
To:
Alfred P. Wire
Date:
[26 September 1861]
Source of text:
RS:HS 23.340
Summary:
AW's 'Thaumatrope' is ingenious, but applies only to periodic movement. JH aims to reproduce non-periodic motion. Commends AW's suggestion to employ government schoolmasters as meteorology observers.
Contributor:
John Herschel Project