What planimeter is made of
An instrument for measuring areas.
- Wheel — has part. A measuring wheel computes the area.
- Pole arm — has part. A lever with a fixed pole.
- Tracer arm — has part. A stylus traces the outline.
- Measuring wheel — has part. A counting wheel integrates the area.
- Calculus — uses. Mechanical integration.
- Brass — is made of. A planimeter is brass.