Device for forcibly changing the respective switch position of a switch controlled by the use of a cam disk or the like driven at a constant rotational speed
DE1089852B
Device for actuating a contact, especially for slot machines
DE1036532B
Stacking axis with step-by-step switching controlled by the changing mechanism for disc ejection
DE1090511B
Camera with a photocell as a drive for the time setting
DE965365C
Slot machine with several gaming points and a common set of circulating bodies