What quadrant is made of
An angle gauge for measuring the altitude of celestial bodies.
- Quarter circle with degree scale — has part. A scale from 0 to 90°.
- Sighting vanes — has part. A sight for the celestial body.
- Plumb bob — has part. A plumb line shows the vertical.
- Universal gravitation — uses. The angle is read against a plumb line.
- Bronze — is made of. Quadrants are bronze or wooden.