815 Hermannus FOLLINUS. Den Nederlandtsche sleutel van t'secreet der philosophie, in welcke grondelijc bewesen wert, d'aert, so in 't generael, als in 't bysonder aller metallen, als Goudt, Silver, Coper, etc. En die gheheele alchijmie, met haer verborgendtheden. Midtsgaders d' eerste materie der philosophen, dat is Quinta essentia des wijns met haren volcoinen ghebruyck, en verclaringhe all duystere woorden des voorsz. constes, op dat Paracelsus claerijck in alles mach werden verstaen, door Hermannus Follinus, der vrije Consten, ende der Medicijne Doctor. 8° Ghedruckt t'Haerlem by Adriaen Rooman, door Daniel de Keyser 1613 Ferguson Nat Union Cat [Illustrations:- 1. Woodcut on title-page. 60x80mm. Two cylindrical furnaces showing interior structure. 2. f40r Two woodcuts 60x80mm and 58x79mm. The upper woodcut is a reprinting on item 1 but with here labelled as furnace for sublimation and furnace for calcination. The lower woodcut again shows two furnaces a Balneum Mariae with two alembics set in the water bath, and a furnace for distillation, again showing an alembic or distilling flask. 3. f40v Woodcut. 58x80mm. Various flasks, a retort, pelican, and alembic.]