Bibliographical noteFunding Information:
The Syndics of Cambridge University Library have graciously allowed the transcription and reproduction ofKeill's manuscript, part of the Lucasian MSS at Cambridge University Library. Anita Guerrini wishes to thank Godfrey Waller, Reading Room Supervisor at Cambridge University Library, and also for their comments Mordechai Feingold, Michael A. Osborne, and Richard S. Westfall. She acknowledges the support of National Science Foundation Grants SES-82-04747 and SES-86-lg503. Any opinions, findings or conclusions expressed here are those of the authors and do not necessarily reflect the views of the National Science Foundation.
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