Manly Palmer Hall [P.R.S.] MS. 179. 85 folios. 206x162mm. Early 17th Century. [This is included in the Bacstrom Collection MS. 102, Vol. 10.] The Key of Alchemy By Samuel Norton. 1577. [One ink drawing of alchemical equipment, one allegorical ink and pastel coloured illustration, plus a seris of six ink and pastel coloured illustrations of alchemical equipment.]