Manly Palmer Hall [P.R.S.] MS. 55. 9 folios. 206x162mm. 19th Century [1806.] [This is included in the Bacstrom Collection MS. 102, Vol. 10.] On the Sphaera Saturni of Paracelsus, by which ... is vitrified int a Tinging Glass by means of ... From a M.S. Formerly in the possession of The Elector of Saxony. [Note before the text: 'It seems to me that these processes contain the foundation of the Coppersmith's Work, Him that conversed with Dr. Helvetius at the Hague in the year 1666.']