author: marc aurèle empereur romain

... chords subtending them in terms of the diam- eter's assumed 120 parts . The third column will contain the thirtieth ... 1612 Chords 17 13 9 0 1 2 10 Sixtieths 1 1 2 50 0 1 2 50 17 17 44 14 0 1 2 22 12 1 34 15 0 1 2 50 172 18 15 17 0 1 2 ...