Note 6 — Chapter II · Of Methods of Observation.
Reading edition
A meridian is a circle passing through the poles about which the celestial sphere revolves. The meridian of any place on the earth is that meridian which is exactly over the place.
Reading edition
A meridian is a circle passing through the poles about which the celestial sphere revolves. The meridian of any place on the earth is that meridian which is exactly over the place.