Description
To explain the theory clearly, have large size.A wooden frame comprising five nickel plated steel balls having uniform mass suspended from the frame. Includes instructions and size of approx 9″L x 7″W x 8″H.
H-PH-571141
To explain the theory clearly, have large size.A wooden frame comprising five nickel plated steel balls having uniform mass suspended from the frame. Includes instructions and size of approx 9″L x 7″W x 8″H.