Notes of experiments, reports from travellers, extracts from books, etc.; title-page, 'Memoirs for Divers parts of Naturall History Treated of by Mr. Boyle... The ? Section' (p. 253). Including notes on rubies and diamonds, incl. `the Diamond of Don Philippi Mascarini, Governour of Goa', which `weigh'd 32 gr[ains] and did actually shine in the Darke' (endorsed `Particulars belonging to the Origin of Gems' [pencil title, erased]), together with: 'A Description of the Trew Thermometer' (pp. 245-8, endorsed 'Mr. Wick's [?] Description of his Weather Glasse'). Two dates in September 1678 appear on p. 225.
Hand: Various hands