Manly Palmer Hall [P.R.S.] MS. 206. 10 + 82 folios. 206x162mm. 18th Century. [This is included in the Bacstrom Collection MS. 102, Vol. 7.] Coelum Philosophorum: or Faithful Directions How to obtain the Hermetical Treasure in via mercurii metallorum: also How to elaborate particular tinging Medicines from each of the Seven Metals and various Minerals. &c. &c. Translated from the German by S. Bacstrom. M. D. 1797. Note : 'This work of is thought to have been written by Cramer' [Johann Andreas Cramer 1710-1777]. 'Communicated by an admirer of fundamental Chemical Science. S. G. Dresden and Leipzig 1739. Octavo.' [Three ink drawings of alchemical equipment.]