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.
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The Sir John Herschel Collection
The preparation of the print Calendar of the Correspondence of Sir John Herschel (Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds, Cambridge, England: Cambridge Univ. Press, 1998, viii + 828 pp) which was funded by the National Science Foundation, took ten years. It was accomplished by a team of seventeen professors, visiting scholars, graduate students, advanced undergraduates, and staff working at the University of Notre Dame.
The first online version of Calendar was created in 2009 by Dr Marvin Bolt and Steven Lucy, working at the Webster Institute of the Adler Planetarium, and it is that data that has now been reformatted for incorporation into Ɛpsilon.
Further information about Herschel, his correspondence, and the editorial method is available online here: http://historydb.adlerplanetarium.org/herschel/?p=intro
No texts of Herschel’s letters are currently available through Ɛpsilon.
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.
Compares JH's 'stereoscopic phenakistiscope' (in 'Instantaneous Photography,' 1860) with AW's invention called 'Thaumatrope.' Suggests how to make moving pictures. 'Government Certificated [School] Masters' in England, Ireland, and Scotland should be enlisted to make meteorology observations.
JH's reply was first AW heard that 'Stereoscopic Thaumatrope' had already been made. Lists two requirements for workable system of enlisting government schoolmasters for meteorological observations. AW and fellow students are ready to assist.