... reference is to SC I.42–3. 31 32 on the sphere and the cylinder i base equal to the greatest circle of the <circles> in the sphere, and a height equal to the diameter of the sphere, is, ... musical theory – well known to Archimedes and his audience – 4:3 and 3:2 are, respectively, the ratios of the fourth and the fifth.) 34 on the sphere and the cylinder i To return to the external ... consideration of the work. Once the groundwork is laid, in Propositions 1–22, the second half of the work is less constrained by strong deductive relations, one result leading to the next: the...