Mellon Collection, Yale University Library MS. 45. 238 folios. Paper. 162x95mm. 17th Century [c. 1610.] [Unidentified alchemical work in German.] [Illustrated with 12 large pen drawings. f45v A human faced Luna crest, dark at the inside, transits a circle formed by 5 alternately light and dark rings. f46r Geometric symbolism. A circle of five rings alternately light and dark. f50r 'Philosophisch Balneum' distillation apparatus. f50v A multilevel furnace. f51r A cylindrical furnace. f74v-75r A distillation process moves from water bath in recatangular block furnace to a pear-shaped colling receptacle, then on to a barrel, and a final receptacle at ground level. f75v A circle of six alternately white and black bordering rings is transited by a human faced Luna crest, between whose tips is an orb topped by a pointed cross. f97r A word and circle chart on four levels. 'Taffel Lvnae Taffel Veneris'. f109r Tailpiece of a fashioned pelican. f228r God's Spiritual Hierarchy in Creation, a folding chart for eleven double ringed basic circles. f229r Geometric and astrological symbolism. f230r 'Der Philosophen Himel', depicted primarly with inscribed legends on internal bands, eleven of them concentric.