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Keylway's draft of the letter at f.172, written on back of letter from Oughtred to Keylway, 26 October 1645

Reference Code: GBR/0012/MS Add.9597/13/5/173

Scope and Contents

From the File:

This is an album consisting primarily of holograph letters to and from 17th and 18th century scientists, including Collins, Oughtred, Cavendish, Briggs, Fermat, Oldenburg, Halley, Boyle, Wallis and others. There are also some copy letters and other scientific papers.


  • Creation: 26 October 1645


Conditions Governing Access

From the Fonds:

Due to the fragile nature of the material access to the collection is restricted. It is available to view in the Cambridge University Digital Library at


1 folio(s) (f.1 [folio] paper) : paper

Language of Materials


Existence and Location of Copies

Add.9597/13/5/173,r.tif Add.9597/13/5/173,v.tif


Rigaud, vol.I, pp.63-66, nos 23 & 24.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom