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37 Tavistock Place - FB has 'for a long time past, had it in contemplation to give a new edition of Flamsteed's [John Flamsteed] British Catalogue [An Account of the Rev. John Flamsteed...to which is added his British Catalogue of Stars, Corrected and Enlarged, 1835]; and this intention is now fully confirmed by the recent & singular discovery of Flamsteed's M.S.S. at the Royal Observatory'. Through JF's original computing book 'I have been enabled to detect the source of most of his errors, & to rectify them accordingly'. In producing this amended and enlarged edition of the British Catalogue, it will not be possible for me (neither would it be fair or just to the memory of Flamsteed) to conceal the various other matters contained in those M.S.S...You will readily see, from the tone of Flamsteed, that he is very sore respecting the part which Newton took in the publication of the "Historia Celestis"...I am anxious, before I publish any thing, to discover (if possible) whether there are any M.S.S. in existence that will throw any light on this subject, & tend to set the character of Newton, in this business, in a fairer point of view'. Could GP check the Newton manuscripts and also inform WW. FB would like to see the whole of the manuscripts of Newton, in the possession of the University, published: 'There never was a time when they would be hailed with so much pleasure & satisfaction'.

Royal Observatory Greenwich - Answers WW's queries: when Newton's 'analysis is carried to perfection (i.e. so as to shew Fraunhoffer's lines), it has certainly developed original properties of light... Their existence in the diffraction spectrum tends most strikingly to confirm this. - You may also say that persons who have tried the experiments with great care do not believe in [David] Brewster's changes of colour. - The changes of colour are certainly the only source of his objections'. The French have always associated Thomas Young with the discovery of the undulating theory of light.

Endorsed with date and note, 'His Hypothesis about the Attraction & moving of the Heavenly Bodies'.

Endorsements on verso of last sheet: 'Ag[ain]st Newton of Light'; in another hand, 'L[ette]rs between Hook & Newton abt Colours'; 'V.64'; N.P'.

Endorsed 'Being (I suppose) copies by Dr Hook[e], they relating to him. W.D.... Proof of his right to the Hypothesis of the Celestial motions &c'.

A commercially-produced print, numbered 26488 on the image.

Of a similar date to the print on f. 2r.