[82] The phrase is, Er hat das Pulver nicht erfunden.
[83] "Quod si quis tanta industria exstitisset, ut ex naturae principiis at geometria hanc rem eruere potuisset, eum ego supra mortalium sortem ingenio valuisse dicendum crederem. Sed hoc tantum abest, ut fortuito reperti artificii rationem non adhuc satis explicari potuerint viri doctissimi."—Hugenii Dioptrica (de telescopiis).
[84] I must not be understood as saying that the fire-drill has played no part in the worship of fire or of the sun.
[85] Compare on this point the extremely interesting remarks of Dr. Paul Carus in his Philosophy of the Tool, Chicago, 1893.
[86] Möbius, Naturwissenschaftlicher Verein für Schleswig-Holstein, Kiel, 1893, p. 113 et seq.
[87] I am indebted for this observation to Professor Hatscheck.
[88] Cf. Hoppe, Entdecken und Finden, 1870.
[89] See the lecture "Sensations of Orientation," p. 282 et seq.
[90] This story was related to me by Jolly, and subsequently repeated in a letter from him.
[91] I do not know whether Swift's academy of schemers in Lagado, in which great discoveries and inventions were made by a sort of verbal game of dice, was intended as a satire on Francis Bacon's method of making discoveries by means of huge synoptic tables constructed by scribes. It certainly would not have been ill-placed.