566.4 William DAVISON. Philosophia pyrotechnica seu cursus chymiatricus, nobilissima illa & exoptatissima medicinae parte pyrotechnia instructus. 8° Parisiis: Apud Ioannem Bessin 1641 Ferguson Nat Union Cat British Library [Illustrations:- 1. Inserted before p7 of introductory material. Engraving. Reprinting of plate 2 in 1635 edition. 2. Inserted after p288. Engraving. Reprinting item 1 of 1635 edition. 3. Inserted after p2 of the third part. Folding table "Gradus separationis comprehenduntur". 4.]