Answers to JB's queries on the refraction of light through crystals, and Newton's rings.
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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.
Answers to JB's queries on the refraction of light through crystals, and Newton's rings.
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.
Regarding refraction in crystals of apophyllite and quartz.
Was very pleased to receive another of JB's works. Glad to be associated in his revelations concerning molecular and polarization powers. Recall their past meetings and hopes to renew acquaintance in Paris at some future date.
Thanks JB for letter to JH at the Cape. Requests JB to provide introductions for Mr. Stanford, who is making statistical inquiries in France.