Work by Flamsteed, arranged roughly chronologically by handwriting, including a micrometer conversion table, a drawing of a micrometer and notes about a table (70r, 71r, 93r, 94r); a Latin draft entitled 'Spherae genuina delineatio' ('A true delineation of the sphere') (73r-74r); a page from a treatise about Keplerian lunar motion (75rv); a copy of observations 1583-1600 and 1461-1471 (76r-79v, 90r); an analysis of elliptical orbits (83v-86v); a table of errors of the mural arc, 1689-1699 (87rv); a summary of a letter to [a curate, c. 1715] (93v); and a list of constellations (94v).