Manly Palmer Hall [P.R.S.] MS. 113. 15 folios. 206x162mm and 155x90mm. 18th Century. [This is included in the Bacstrom Collection MS. 102, Vol. 16.] [This text consists of six printed folios of 'A Singular Treatise of Bernhard Count Trevisan concerning the Philosophers Stone', which are interleaved with 7 folios of a manuscript paraphrase and exposition of the text.] [With a watercolour allegorical frontispiece illustration, based on figure 3 of the first series of emblems from Mylius's Philosophia Reformata.]