Imagine a bowling ball weighing about the average weight of the human head, about 15 pounds. If you were holding the ball on top of your shoulders you could balance it easily. Now extend your arms out while holding this ball. What happens within seconds is you feel the pressure from the...
A sparemaker display for operation in conjunction with automatic pinspotters is provided in which control signals characteristic of particular standing pin combinations are stored in a read only memory and addressed to control a ball path display upon the occurrence of a corresponding standing pin ...