Copies by Brian Twyne of astronomical and astrological treatises and notes: P. 1. 'Alkyndus de projectione radiorum', beg. 'Omnes homines qui sensibilia'. Pp. 27, 136, 151, 171. Copious extracts from printed books and MSS., some belonging to dr. John Dee (pp. 171-87), many to dr. Thomas Allen. A long list of them will be found in the Old Catalogue of 1697. Pp. 26a, 36,…