Comments on the affidavit supplied by WT; will sign most of it but objects to one section.
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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.
Comments on the affidavit supplied by WT; will sign most of it but objects to one section.
Clarifies JH's position, by saying that he clearly supports WT as the inventor of the calotype or talbotype, but has reservations about the collodion process.
Appreciates WT's letter of congratulation on JH's appointment [as Master of the Mint, to the Cambridge Commission?]. Has begun work with Cambridge.
Agrees to WT's use of name 'amphitype' [see WT's 1851-5-6 or earlier].
Wants recommendation from WT for teacher of the 'art of Talbotyping.'
Thanks for examples of WT's photographic engraving; sends a photo in return.
May need WT's permission for the publication in a book on coinage of a photograph of JH prepared using WT's patented process.
Willingly gives JH permission to engrave a portrait photograph taken with WT's process. WT asks JH if he would be willing to testify on WT's behalf if necessary, relating to infringement of patent rights. WT announces that John Hind has discovered another asteroid [Euterpe].
Asks JH to sign an affidavit that WT is the inventor of the calotype or talbotype as some are trying to break WT's patent hold.
Sends JH a copy of the affidavit [see WT's 1854-5-15] and asks for JH's emendations, if any, and his signature. Sends JH a photograph engraved on steel.
Explains the way an affidavit works in the Court of Chancery. Because JH feels uncomfortable about certain aspects of the affidavit, WT will not trouble him about it again.
WT's opponents have named JH in one of their affidavits against WT. WT is therefore asking JH to respond to what is stated in that affidavit.
Reports to JH that the patent infringement case had been decided in WT's favor, and tells of one incident in court.
Refers to process which produces pictures that are negative or positive depending upon the light. Hopes to use it to photograph lunar landscape. Wants to call it 'amphitype' if JH agrees.
Describes observing solar eclipse at Marienburg in eastern Prussia. Gives advice about whom to see for photography training [see 1851-7-27].
Congratulates JH on appointment to Mastership of Mint. Hopes JH, as member of Cambridge University Commission, will introduce needed reforms.