Hand of John Collins. ff.61-63 (unbound quarto) are in the hand of William Jones.

Extract from Add. 9597/13/6/144 in the hand of Collins

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

Extracts from Add. 9597/13/6/126-7 in the hand of Collins. See also Add. 9597/13/6/121.

Extracts from a letter from James Gregory to John Collins

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

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.

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

Copy by John Collins of work by Henry Briggs.

Copy by John Collins of work by Henry Briggs.

Includes autograph material by Barrow, and copies of works by both Barrow and Gregory in the hand of Collins.

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

Note on inside front cover by William Jones reads: "A Copy of a piece of Sir Isaac Newton in John Collins' handwriting."

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

Transcripts of mathematical and astronomical letters and papers, apparently made for the use of Isaac Newton, in various hands. Included are copies of works by R.F. Slusius, Antonio Monforte, Jacques Ozanam, G.W. Leibnitz, E.W. von Tschirnhaus, Henry Oldenburg, T.F. de Lagny, G.D. Cassini, John Craig and S. Morland.

Transcripts of mathematical and astronomical letters and papers, apparently made for the use of Isaac Newton, in various hands. Included are copies of works by R.F. Slusius, Antonio Monforte, Jacques Ozanam, G.W. Leibnitz, E.W. von Tschirnhaus, Henry Oldenburg, T.F. de Lagny, G.D. Cassini, John Craig and S. Morland.

Inaccurate copies of Add. 9597/13/6/233-4; Add. 9597/13/6/235 and another letter, the original of which is lost.

Primarily Newton autographs and letters to Newton.

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

Primarily Newton autographs and letters to Newton.

This category contains the manuscript letters in the Macclesfield collection excluding the Newton holographs and letters to Newton. It also contains a few other items which were bound alongside these letters.

The Portsmouth Collection is the principal collection of Isaac Newton's scientific and mathematical papers, including early drafts of the Principia, and his correspondence with Oldenburg, Halley Flamsteed and many of the other most prominent scientists of his day.

The Portsmouth Collection is the principal collection of Isaac Newton's scientific and mathematical papers, including early drafts of the Principia, and his correspondence with Oldenburg, Halley Flamsteed and many of the other most prominent scientists of his day.