Device Turning Steel Sphere Balls
A method to create steel balls by inserting the sphere in a hollow cylinder and rotating the ball with two cylinders covered with leather on the top.
Keywordsmetal, steel, metals, Device Turning Steel Sphere Balls, Creating Steel Balls, Rotating Steel Sphere Balls
GalleriesBlacksmithing and Metalwork
Grimshaw, Robert Modern Workshop Hints (Philadelphia, PA: Sampson Low Marston & Company LTD, 1902)