Curved ramp to deliver a ball for collision with constant energy. The apparatus includes: Two ½ inch steel balls, one ½ inch glass ball and one 1 inch wooden plump bob, One 16 mm glass ball, One 1 inch wooden plump bob. With Instructions.
Curved ramp to deliver a ball for collision with constant energy. The apparatus includes: Two ½ inch steel balls, one ½ inch glass ball and one 1 inch wooden plump bob, One 16 mm glass ball, One 1 inch wooden plump bob. With Instructions.
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Curved ramp to deliver a ball for collision with constant energy. The apparatus includes: Two ½ inch steel balls, one ½ inch glass ball and one 1 inch wooden plump bob, One 16 mm glass ball, One 1 inch wooden plump bob. With Instructions.