Melancthon, De Anima, p. 207, quoted in Tenneman, ix. 121.
128
His works have never been published, and exist in manuscript in the library of the Institute at Paris. Some extracts were published by Venturi, Essai sur les Ouvrages de Leonard da Vinci. Paris, 1797.
129
Leonardo died in 1520, at the age of 78.
130
Paul III. in 1543.
131
Hist. Ind. Sc. b. v. c. ii.
132
Born 1537, died 1619.
133
Hist. Ind. Sc. b. xvii. c. ii. sect. 1.
134
Fabricius, De Motu Locali, p. 182.
135
p. 199.
136
Speculationum Liber, p. 195.
137
Ibid. p. 169.
138
Gulielmi Gilberti, Colcestriensis, Medici Londinensis, De Magnete, Magneticisque Corporibus, et de Magno Magnete Tellure, Physiologia Nova, plurimis et Argumentis et Experimentis demonstrata.
139
Hist. Ind. Sc. b. xii. c. i.
140
Pref.
141
De Magnete, lib. vi. c. 3, 4.
142
Nov. Org. b. i.
143
B. i. Aph. 64.
144
Vol. ix. 185.
145
De Magnete, p. 60.
146
B. iii. c. 4.
147
Nov. Org. b. ii. Aph. 48.
148
Drinkwater's Life of Galileo, p. 18.
149
Life of Galileo, p. 9.
150
Hist. Ind. Sc. b. vi. c. ii. sect. 5.
151
Life of Galileo, p. 29.
152
Ibid. p. 33.
153
Il Saggiatore, ii. 247.
154
Il Saggiatore, ii. 200.
155
Ibid. i. 501.
156
Hist. Ind. Sc. b. vi. c. ii. sect. 2.
157
Hist. Ind. Sc. b. vi. c. ii. sect. 4.
158
Ibid. b. v. c. iv. sect. 1.
159
De Stell. Mart. p. iv. c. 51 (1609); Drinkwater's Kepler, p. 33.
160
Published 1604. Hist. Ind. Sc. b. ix. c. ii.
161
Hist. Ind. Sc. b. v. c. iv. sect. i.
162
Hist. Ind. Sc. b. vii. c. vi. sect 1.
163
De Stell. Mart. p. 11. c. 19.
164
Hist. Ind. Sc. b. ii. c. iv. sect. 6.
165
Ibid. sect. 8.
166
Montucla, i. 566.
167
De Augm. lib. iv. c. 1.
168
And in other passages: thus, "Ego enim buccinator tantum pugnam non ineo." Nov. Org. lib. iv. c. i.
169
Lib. 1. Aphor. 78 et seq.
170
Aug. Sc. Lib. iii. c. 4. p. 194. So in other places, as Nov. Org. i. Aph. 104. "De scientiis tum demum bene sperandum est quando per scalam veram et per gradus continuos, et non intermissos aut hiulcos a particularibus ascendetur ad axiomata minora, et deinde ad media, alia aliis superiora, et postremo demum ad generalissima."
171
Nov. Org. 1. Aph. 22.
172
Ib. Aph. 20.
173
1 Ax. 15.
174
Nov. Org. lib. ii. Aph. 19.
175
Inst. Mag. par. iii. (vol. viii. p. 244).
176
Hist. Ind. Sc. b. x. c. i.
177
Ib. c. iv.
178
Nov. Org. lib. i. Aph. 61.
179
Nov. Org. lib. ii. Aph. 10.
180
Aph. 11.
181
Aph. 15, p. 105.
182
Page 110.
183
Herschel, On the Study of Nat. Phil. Art. 192.
184
Nov. Org. lib. i. Aph. 40.
185
Nov. Org. lib. i. Ax. 103.
186
Edinb. Rev. No. cxxxii. p. 65.
187
Ib.
188
Pref. to the Nat. Hist. i. 243.
189
Nov. Org. lib. i. Aph. 19.
190
Ibid. lib. i. Aph. 20.
191
Aph. 27.
192
Ib. 28.
193
Aph. 104. So Aph. 105. "In constituendo axiomate forma inductionis alia quam adhuc in usu fuit excogitanda est," &c.
