Note 2 — BOOK THIRD.
Eleanor Worthington translation
The armillary sphere is a group of pasteboard or copper circles, to illustrate the orbits of the planets, and their position in relation to the earth, which is represented by a small wooden ball.
Eleanor Worthington translation
The armillary sphere is a group of pasteboard or copper circles, to illustrate the orbits of the planets, and their position in relation to the earth, which is represented by a small wooden ball.