- 'Out of La Lumiere sortant des Tenebres' and 'Out of the Commentator on La Lumiere sortant de Tenebris [sic]' (c. 1687-92), incomplete. in English, c. 1,700 words, 4 pp.
- 'De Igne sophorum et materia quam calefacit'. in Latin and English, c. 2,500 words, 6 pp. on 4 ff. of which one blank.
- Twelve small bundles of alchemical notes and extracts from a very wide range of sources. c. early 1680s, in French, Latin and English, 100 pp. enclosed in a wrapper bearing a list of contents.
- Notebook containing little but headings ('De Sale'; 'Solutio'; 'Conjunctio et Liquefactio'; 'Imbibitio & Calcinatio', etc.), with gaps for entries left blank apart from a few perfunctory notes in Latin.
- Notes evidently on Newton's own laboratory experiments
- Notebook containing notes and experimental reports c. 1664-1696, mostly in English with some Latin and Greek, c. 65,000 words, 283 pp. + 4 pp. starting from the back.
- Two sets of notes. mainly in Latin, c. 2,400 words, 7 pp.
- Three lists of alchemical writers and works, partly on the reverse of Mint-related material various dates between 1684 and late 1690s, 8 pp.
- 'Artephius his secret Book', followed by 'The Epistle of Iohn Pontanus, wherein he beareth witness of ye book of Artephius', c. 1,500 words, 3 pp. (c. 1670s). in English, c. 9,000 words, 20 pp.
- Four alchemical verse allegories, in English. 8 pp.
- 'Caus? et initia naturalium' (notes on Jan Baptista van Helmont's Ortus medicinae (1667)). in Latin, c. 2,000 words, 7 pp.
- Notes on and excerpts from George Ripley's 'Clavis Aure? Port?', 'Medulla Alchimi?', and 'Pupilla Alchemi?'. in Latin, c. 4,000 words, 8 pp.
- 'Clavis': detailed directions for a lengthy alchemical operation beginning with the digestion of antimony, iron and sulphur. in Latin, c. 1,200 words, 3 pp.
- 'Collectiones ex Novo Lumine Chymico qu? ad Praxin spectant', 6 pp., and 'Arcanum Hermetic? Philosophi? Opus', 3 pp. (early 1669?). in Latin, c. 3,000 words
- Miscellaneous extracts from and notes on various alchemical authors, in English. 8 pp.
- 'The method of ye work': a commentary on [A.T. Limojon, Sieur de] Didier's 'Six Keys' (early 1690s?). in English with Latin citations, c. 8,500 words, 35 pp.
- 'The Epitome of the treasure of health written by Edwardus Generosus Anglicus innominatus who lived Anno Domini 1562'. in English, c. 14,000 words, 28 pp.
- 'Epistola ad veros Hermetis discipulos continens claves sex principales Philosophi? secret?' (early 1690s). in Latin, c. 4,750 words, 19 pp.
- 'Anno 1656. Serenissimi Principis Frederici Ducis Holsati? et Sleswici &c. communicatione sequens epistola me sibi vendicat, inaudita memorans. Veni et vide'. in Latin, c. 1,300 words, 7 pp.
- Short extracts from an assortment of alchemical writers (early to mid-1670s). in English and Latin, c. 3,000 words, 7 pp. on 4 ff.
- Memorandum by Newton (1696). in English, c. 700 words, 3 pp.
- 'The Seven Chapters' (late 1680s-1690s) plus notes and an unrelated draft letter. mainly in English, c. 4,750 words, 20 pp. on 12 ff. of which two blank.
- Translation and transcription of the Tabula Smaragdina of 'Hermes Trismegistus', with notes (early 1680s-1690s). in English and Latin, c. 1,000 words, 5 pp. on 10 ff.
- Alchemical notes (probably before 18 May 1669), drawn largely if not entirely from Michael Maier's Symbola Aure? Mens? duodecim nationum (Frankfurt, 1617: H1048). in Latin and English, c. 5,000 words, 9 pp. on 5 ff.
- 'Index Chemicus' 1680s, in Latin, c. 34,000 words, 123 pp. on 94 ff.
- 'Liber Mercurioum [sic: leg. 'Mercuriorum'] Corporum' (1668-75). in English, c. 3,000 words, 8 pp. on 4 ff.
- Abstracts of five works by Michael Maier (early 1690s). in Latin, c. 50,000 words, 88 pp.
- 'Manna': transcript (1675?) of an Anonymous alchemical treatise, in another hand with additions and notes by Newton. in English, c. 1,500 words, 11 pp. on 6 ff.
- Notes on the preparation of 'philosophical mercury' by fermentation and 'ye mediation of Diana's Doves', on the preparation of 'menstrua', etc. in English, c. 2,500 words, 6 pp. on 3 ff.
- Notes on various alchemical texts (early 1680s?). mainly in Latin but with several sections in English, c. 26,100 words, 45 pp. on 30 ff. of which 3 blank.
- Three alchemical excerpts (1668/9). in Latin, c. 4,000 words, 8 pp. on 4 ff.
- Three alchemical verse extracts, in English. 7 pp. on 4 ff
- Notebook (early 1690s), containing alchemical notes from a wide range of sources. in English and Latin, c. 7,500 words
- 'Observations of ye matter in ye Glass. Authore Anonymo' (mid-1670s). in English, c. 2,500 words, 6 pp. on 3 ff.
- Incomplete draft treatise on the sequence of operations to be effected in transmutation. mainly in Latin with some English, c. 12,000 words, 42 pp. on 33 ff.
- A similar composition to Keynes Ms. 40, covering the first six 'operations' (but the fourth is missing). In Latin apart from some citations from George Ripley in English verse in the last two sections. c. 12,000 words, 39 pp. on 20 ff.
- 'Pearce the black Monck upon ye Elixir': an alchemical verse allegory, 226 lines. in English with the last four lines in Latin, 7 pp. on 4 ff.
- Transcripts from two published alchemical tracts. in Latin and English, c. 3,000 words, 8 pp. on 4 ff.
- 'Several Questions concerning the Ph[ilosoph]ers St[one]'. in English, c. 2,000 words, 7 pp. on 4 ff.
- 'Practica Mari? Prophetiss? in Artem Alchemicam' (early 1690s). in Latin, c. 1,500 words, 4 pp. on 3 ff. of which one blank.
- 'The Three Fires'. in English, c. 1,000 words, 3 pp. on 2 ff.
- 'Experimenta Raymundi', 6 pp. in Latin, c. 2,500 words
- Two alchemical treatises (one incomplete; after 1686) and a collection of short extracts from various alchemical sources. in Latin and English, c. 23,000 words, 76 pp. on 62 ff.
- 'The Regimen' (early 1680s). in English and Latin, c. 3,000 words, 7 pp. on 4 ff.
- Excerpts from Jodocus a Rhe [Johannes Rhenanus], with transcripts of letters to Dr. John Twysden [Twisden] from 'A.C. [leg. A.O.?] Faber' and notes on a work by Faber. In Latin. c. 7,500 words, 22 pp. on 11 ff.
- Notes on the works of George Ripley [from a manuscript version of 'Eiren?us Philalethes'' Ripley Reviv'd (1678)] (late 1660s/ early 1670s). in English, c. 8,000 words, 14 pp. on 8 ff.
- Transcript of 'Sr George Ripley His Epistle to K Edward unfolded' c. late 1660s/ early 1670s, in English with some Latin and Greek, c. 10,000 words, 17 pp. on 9 ff.
- 'Of ye first Gate' mid-1690s, in English with some Latin and Greek, c. 2,800 words, 9 pp. on 5 ff.
- 'Ripley expounded', 12 pp.; and 'Notes upon Ripley,' in English, c. 1,500 words, 7 pp. in English, c. 4,500 words
- Notes on Sendivogius (c. 1685-90). in English and Latin, c. 12,000 words, 37 pp. on 21 ff.
- 'Sententi? lucifer? et Conclusiones notabiles' (1696-8?). in Latin and English, c. 6,000 words, 18 pp.
- Notes on various (al)chemical processes (separations, processions, sublimations, distillations, etc.). mainly in Latin with some English, c. 9,000 words, 17 pp. on 10 ff.
- Three apparently unrelated fragments (early-mid 1670s). in English and Latin, c. 3,000 words, 12 pp. on 8 ff.
- 'De secreto solu[tionum? (MS torn)]'. in English and Latin, c. 1,000 words, 3 pp. on 2 ff.
- 'Tabula Smaragdina' and 'Hieroglyphica Planetarum'. in Latin, c. 1,750 words, 4 pp. on 3 ff. of which one blank.
- 'Thesaurus Thesaurorum sive Medicina Aurea'. in English (apart from the title and the concluding remark 'Laus Deo'), c. 1,200 words, 5 pp. on 3 ff.
- 'The Work of an old Priest, viz: B.' and other alchemical recipes (late 1660s). in English, c. 3,500 words, 8 pp. on 9 ff. of which one blank.
- 'Verses at the end of B[asil] Valentine's mystery of the Microcosm' c. 1670?, in English, 569 lines, 20 pp. on 10 ff.
- 'Basil Valentine Currus Triumphalis Antimonij': notes and abstracts (c. 1667-8). in Latin, c. 4,500 words, 8 pp. on 4 ff.
- Incomplete copy of W[illiam] Yworth, 'Processus Mysterii Magni Philosophicus' (c. 1702), in (probably) Yworth's hand. in English, c. 22,000 words, 75 pp. on 38 ff.
- Incomplete abstract of Yworth's 'Processus Mysterii Magni Philosophicus' condensed into five chapters (c. early 1690s). in English, c. 3,300 words, 12 pp. on 7 ff.
- Miscellaneous collection of mostly unpublished alchemical texts, recipes, reports of experiments, etc. (1660s). In English and Latin, in four different hands, none of them Newton's, though there are a few additions by him.
- Two unrelated tracts in the same hand (not Newton's) in English, c. 1,000 words, in total,1 p. + 8 pp.
- Miscellaneous correspondence. Shelfmark: Keynes Ms. 99
- 'The Hunting of ye Green Lyon & putrefaction of the body according to the number of the eagles', 2 pp., followed by miscellaneous notes in Latin, c. 400 words, 1 p. in English, c. 800 words
- A list of 113 alchemical authors, categorised by nationality, and eight Anonymous works. 2 pp.
- Notes and abstracts from assorted alchemical works, beginning missing. in Latin, c. 5,000 words, 8 pp.
- 'Basilius Valentinus & Iodochus a Rhe': abstracts from these authors (the latter is more usually called Johannes Rhenanus) on minerals, transmutation of metals, vitriol, etc.. in English, c. 6,000 words, 14 pp.
- Extracts from 'Faber' (Pierre Jean Fabre) and other alchemical writers in Latin and English, c. 12,400 words, 24 pp on 16 ff.
- Dictionary of (al)chemical terms, materials and apparatus (late 1660s-early 1670s), with directions for performing various operations. in English, c. 7,000 words, 16 pp.
- Miscellaneous (al)chemical recipes in four different hands, none of which is Newton's (or Humphrey Newton's). in English, c. 2,000 words, 10 pp. on 7 ff.
- Incomplete variant copy of William Yworth, 'Processus Mysterij Magni Or An Open Entrance to the Great Mysteries of the Ancient Philosophers', in a clerical hand. in English, c. 10,000 words, 107 pp. plus two title pages.
- Excerpts (probably made in the 1690s) from the correspondence between Edmund Dickinson and Theodorus Mundanus published by the former. In Latin. c. 3,500 words, 16 pp. on 8 ff.
- Nine miscellaneous items relating to (al)chemical processes. in Latin and English, 48 pp. in a wrapper headed 'Alychimya' [sic] in another hand and bearing a list of contents in Newton's.
- Highly technical notes in Latin and English on the distillation of salt. c. 300 words, 2 pp.
- Miscellaneous alchemical recipes, including one to turn lead into mercury by mixing it with corn and olive oil over a moderate heat. in English, c. 200 words, 1 p.
- 'The Book of Nicholas Flamel conteining The explication of the Hieroglyphical Figures wch he caused to be put in the Church of the SS. Innocents at Paris'. in English, c. 15,000 words, 61 pp.
- Notes on the construction of portable furnaces. c. 300 words, 2 pp., with rough sketches, 1 p.
- Variant version of the memorandum in Keynes Ms. 26 (SL45), in English, 1 p.; on reverse, the draft of a short letter.
- Technical notes. c. 3,000 words, 2 pp.
- Newton's copy of 'Philalethes'' [i.e. George Starkey's] Secrets Reveal'd, with corrections and additions in Newton's hand on almost every page.
- Transcript of Johann de Monte Snyders' The Metamorphosis of the Planets, with notes. in English, c. 23,500 words, 69 pp.
- 'Index Chemicus'. in Latin, c. 2,000 words, 5 pp.
- Six sets of notes on Newton's alchemical reading (c. late 1690s).
- Notes on the mining, preparation and properties of 'Saturn' [i.e. lead] (mid-1670s). mainly in English, c. 3,500 words, 8 pp.
- Incomplete copy, in (probably) the author's hand, of a six-chapter version of William Yworth's 'Processus Mysterii Magni Philosophicus' (1702). in English, 91 pp.
- Commentary on Johann de Monte Snyders 1670s, in English and Latin, c. 1,200 words, 3 pp. on 2 ff.
- 'De Mineralibus': notes on Geber, Basil Valentine, Paracelsus and other alchemical writers. in Latin, c. 800 words, 3 pp. on 2 ff.
- Miscellaneous alchemical notes and recipes in English and Latin, c. 710 words, 4pp. on 3 ff.
- Two sets of notes on La lumiere sortant par soy meme des tenebres. in English, c. 2,500 words, 5 pp. on 3 ff.
- Notes 'Ex Rosario Magno', 2 pp. on. in Latin with some English, c. 750 words, 4 ff.
- Miscellaneous alchemical notes and emblems, in Latin and English with some French. 28 pp. plus one page blacked out
- A large compilation of alchemical citations woven into a continuous text (1690s). in Latin, c. 17,500 words, 56 pp. of which 8 blank.
- 'Lib. chem.' and 'Manuscriptu[m] meum' (c. 1696-7). 2 pp. on 4 ff. of which 3 blank.
- 'Of Chemicall Authors & their writings' (c. 1670-75). mainly in Latin with a little English, 7 pp. plus 5 pp. blank.
- 'Praxis' (certainly after 1689, probably c. 1696): an alchemical treatise, with notes and an earlier draft. mainly in English with some Latin, c. 5,500 words, 26 pp. of which two blank.
- Three sets of chemical notes. in Latin, c. 3,200 words, 18 pp. of which 4 blank.
- Draft letter or memo (1669?). in English, c. 200 words, 1 p.
- 'Experimts of refining Gold wth Antimony made by Dr. Ionathan Goddard'. in English, c. 1,500 words, 4 pp. on 2 ff.
- 'Miscellanea': Latin notes on experiments, chiefly from Ramon Lull's 'Codicillus' and 'Testamentum' and Zetzner's Theatrum Chemicum. c. 1,200 words, 4 pp. on 2 ff.
- Series of Latin anagrams of Newton's name and lists of authors cited in the Ludus Puerorum, Scala Philosophorum, and Rosarium Magnum, in the last case followed by page numbers.
- Newton's copy of Geber's Chimia (Latin translation by Caspar Horn, 1668), with Latin notes in his hand on both flyleaves elucidating some of Geber's terminology.
- A series of lists of authors and books on alchemy.
- 'De Scriptoribus Chemicis' (mostly late 1660s/early1670s though with later additions).
- 'To make Lucatello's Balsome': a medical recipe, efficacious against 'ye Measell Plague or Small Pox [...] & against poyson & ye biting of a mad dog'. in English, c. 250 words, 1 p.
- 'Notes out of Philalethes'. in English, c. 650 words, 3 pp. on 2 ff.
- Notes from Ramon Lull. in Latin, c. 5,300 words, 13 pp.
- 'Theatrum Astronomi? Terrestris': copy of a treatise on the Philosophers' Stone and transmutation, with 2 astronomico-alchemical diagrams. English introduction and Latin text, c. 1,000 words, 4 pp.
- Fragmentary notes on the astrological characters of the planets and on the gods and metals associated with them, beginning missing. Not in Newton's hand. in English, c. 600 words, 2 pp.
- Chemical notes, partly in another hand. in English and Latin, c. 400 words, 2 pp. on 2 ff.
- Notebook containing abstracts and notes drawn from various alchemical works. mainly in Latin with some English, c. 24,000 words, 61 pp. + 208 pp. blank.
- Notes and abstracts 'Ex Fabri Hydrographo Spagyrico' (f. 1r) and 'Ex Palladio Spagyrico' (f. 2r), with page references (1690s?). in Latin, c. 1,500 words, 4 pp. on 2 ff.
- 'Notanda Chymica' (late 1660s). in Latin, c. 1,500 words, 5 pp. (though there is only one word and a page reference on p. 5).
- Two incomplete treatises on the vegetative growth of metals and minerals 1670-75, in English and Latin, c. 4,500 words, 12 pp.
- Three related sets of notes (late 1680s-90s). in English, c. 5,300 words, 8 pp. badly discoloured and barely legible.
- Two accounts of alchemical operations (1690s?). in Latin, c. 2,500 words, 7 pp.
- Draft alchemical treatise or compilation. in Latin with odd passages in English, c. 14,000 words, 42 pp. + 4 pp. of unrelated material.
- Miscellaneous alchemical notes
- 'Ex Hercule Piochymico' 1680s/1690s, in Latin, c. 1,300 words, 3? pp.
- Notes 'Ex Codicillo R. Lullii, impress. Coloni? 1563'.
- Notes on mercury and its purification.
- Verse extracts from Hadrian Mynsicht, 'Aureum s?culum redivivum' and 'Testamentum Hadrianeum de aureo Phorem [according to the Sotheby catalogue, though 'Ph[ilosoph]orum is surely intended] lapide', with a diagram, c. 300 lines in all.
- 'Notanda chemica' 1670s, in Latin with some English, c. 1,500 words, 4 pp.
- 'Opus Galli Anonymi' 1690s, in Latin, c. 2,750 words, 7? pp. + wrapper.
- 'Preparatio mercurii ad lapidem per regulam et lunam, ex MSS. Phil[oponi] Phi[lalethis] Americani' before 1678, in Latin with some English, c. 1,000 words, 6 pp. + 2 pp. blank
- Six pages of miscellaneous notes originally grouped together with what is now Babson Ms. 747.
- A recipe for making 'Regulus Martis' (an alloy of iron and antimony) c. 300 words, 1 p.
- 'Out of Schroderus Pharmacopia' 1670s or early 1680s, in Latin, 3 pp. and 2 lines + 4 pp. blank
- 'A Key to Snyders' 1670s or 1680s, in Latin with some English, c. 1,000 words, 4 pp. + 4 pp. blank
- Notes on sublimation, the Stone, the tincture, etc.. in Latin, c. 1,500 words, 6 pp.
- Fragment of a treatise on transmutation 1680s/1690s, in Latin and English, c. 2,200 words, 8 pp.
- 'Notes upon ye working of ---': an account of a purification of vitriol, which took 6 months to accomplish.
- Miscellaneous fragmentary alchemical notes 1670s, in English and Latin, 6 pp.
- 'Sententi? notabiles exposit?'
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