London, Wellcome Institute MS. 827, 828. Two volumes. 134 folios + 187 folios. 335x220mm. Mid 18th Century. Abyssum duplicatum cum Hyrogliphis. [In German]. Illustrated by a few pen drawings of chemical apparatus and 14 water-coloured symbolic figures from the 'Viridarium Chymicum' of Daniel Stolcius, Frankfurt 1624. Vol. I .[Transcript of Anton Joseph Kirchweger's 'Aurea catena Homeri', Leipzig, 1723.] Vol. II [The second volume is concerned with the 'Introitus apertus ad occulsum regis palatium' by Eirenaeus Philaletha, the German translation of which was published at Hamburg in 1705.]