Manly Palmer Hall [P.R.S.] MS. 212. 24 folios. 206x162mm. 18th Century. [This is included in the Bacstrom Collection MS. 102, Vol. 5.] Instructions Repecting the Art of Transmuting and Ameliorating The Metals. By William Baron Von Schroeder. F. R. S. 1684. Translated from the German By S. Bacstrom M. D. 1797. '... written in 1684. now published by Fr: Roth Scholtze, Nurnberg 1733. 8vo...'