'Miscellanea Mathematica authore J. F.', a collection of mathematical treatises and calculations, 184 folios: observations by Hevelius, Galileo and Towneley, copied in 1671 (4r-7r); a draft treatise, 1672, discussing extracts from the letters of William Crabtree and William Gascoigne of 1640-1642 (9v-22r), with biographical information about them (22r); collected observations of Jupiter's satellites, with an excerpt on the comet of 1681 (22v-24r); observations made by Richard Towneley during 1665-1672 (24v-40v); a draft of 'A preface to my coelestiall observations' [1674] (41r-43v), with copied observations of 1666-1674 (43r-57v); copies of warrants and orders relating to the Greenwich Observatory, 1674-1675 and 1694 (60r-62v), and a related letter, 1703 (73v); 'Observationes distantiarum ... Anno 1678 ab J F' ('Observations of the distances of certain important fixed stars from the vertex'), covering 1678-1680 (63v-73r); 'Observations of the star of Jove ... by John F' and of Mars, 1672 (97v-104r); solar and lunar tables by Henry Jacobs, copied 1703 (105v-106v); similar tables and planetary tables, the latter of 1705 (109v-119v); and sextant observations of the Moon's distance from fixed stars, 1676-1679, copied 1705. Most of the items are in Flamsteed's hand.