A Single Hollow Ball.
A single hollow ball.
- Measurements:
-
diameter: 55 mm,
- Materials:
- brass (copper, zinc alloy)
- Object Number:
- 1927-2065/4/1
- type:
- spheres
- Image ©
- The Board of Trustees of the Science Museum
One hollow ball and one conic section
A single hollow ball.
A single asymmetrical conic section.