London, Wellcome Institute MS. 473. 74 pages. 17th Century [1636-1674.] Dionigi Marmi. [Collection of technical receipts for making glass, pottery, dyes, etc., including chemical, alchemical and medical receipts. with additions by other hands.] [On the first page, dated 1636, the writer states that this MS. is a copy of an older work - about 170 or 180 years old - which was given to him at Montelupo by a 'foreigner'.]