London, Wellcome Institute MS. 2660. 50 pages + 84 folios +14 folios. 190x160mm. 18th Century [c. 1730] H., G.C. [Notes on an unidentified alchemical work, mainly in German, with a few passages in Latin. Preceded by a printed copy of 'Apologia pro arte sympathetica' by Carl Joseph von Buckisch und Löwenfels. Posonii [Pozsony=Bratislava] 1737, and followed by the same author's printed 'Tractatus curiosus symptheticus, actiones magneticas et curae sympatheticae observationes complectens [1732]'.]