Note 899 — Chapter V · ANCIENT APPLIED SCIENCE AND MAGIC: VITRUVIUS, HERO, AND THE GREEK ALCHEMISTS

But the Labyrinth of Solomon, which Berthelot (1885), p. 16, had cited as an example of the sort of ancient magic figures which had been largely obliterated by Christians, and of the antiquity of alchemy among the Jews (ibid., p. 54), although he granted (ibid., p. 171) that it might not be as old as the Papyrus of Leyden of the third century, later when he had secured the collaboration of Ruelle (1888), I, 156-7, and III, 41, he had to admit was not even as old as the eleventh century MS in which it occurred but was an addition in writing of the fourteenth century and “a cabalistic work of the middle ages which does not belong to the old tradition of the Greek alchemists.”