Device for Turning Sphere
The device used to create spheres by rotating the ball and mandrel to create an equal diameter. The wire is connected to the top and the wheel while spinning.
Keywordstools, Mandrel, Device for Turning Sphere, Ball making, Spinning Ball Sphere with Mandrel, mandrels, Sphere Tool
Grimshaw, Robert Modern Workshop Hints (Philadelphia, PA: Sampson Low Marston & Company LTD, 1902)