Jag har alltid undrat var rondellen sitter, är det till vänster om plungerlane, och lite ovanför???
Jag mailar honom och frågar.... återkommer...
Edit: Kan vara den här:
Captive Ball Spinner —
A scoring device consisting of a large metal wheel and a small steel ball enclosed in an area not accessible by the ball in play. The wheel has small trap holes all along its outside edge. When activated, the wheel spins around its central axis, causing its captive ball to randomly roll around with it. As the wheel slows, the ball eventually falls into one of the trap holes to award the indicated hole value. This device first appeared in 1966 on Williams A-Go-Go. Also referred to as a Roulette Wheel.
Captive Ball Spinner from Williams' 1966 'A-Go-Go'.