London, Wellcome Institute MS. 3458. 288 pages. 220x140mm. 18th Century [c. 1785.] Franciscus Onuphrius de Marsciano. Lux hermetica clarificata, seu Circulus Quadratus Sapientum. Opus Hermeticum de vero ac probato Lapide Philosophorum... Klagenfurt: Typis Joan-Frid-Kleinmayr. 1742. [Illustrated with a few pen drawings of symbolic figures and alchemical apparatus.]