[16] Op. xv. (Viviani), p. 334.
[17] Nelli, vol. i. pp. 32, 33.
[18] That Galileo had been in Rome before 8th January, 1588, a fact hitherto unknown to his biographers, is clear from the letter of that date addressed from Florence to Clavius. (Op. vi. pp. 1-3.)
[19] See their letters to Galileo. (Op. viii. pp. 1-13.)
[20] About £13.—[Tr.]
[21] About 7¼d. 100 kreuzers = the Austrian florin.
[22] Op. xv. (Viviani), p. 336; and Nelli, vol. i. p. 44.
[23] Op. xv. (Viviani), pp. 336, 337; Nelli, vol. i. pp. 46, 47; Venturi, vol. i. p. 11.
[24] See the decree of installation of 26th Sept. (Op. xv. p. 388.)
[25] Op. viii. p. 18; Nelli, vol. i. p. 51.