B-9999 Ball count unit disc
Other · Stepper unit disc
Part numbers
- B-9999 (Gottlieb)
PinTech part O01223
Used in
- Playball (Gottlieb 1971): Ball count unit
- Aquarius (Gottlieb 1970): Ball count unit
- 4 Square (Gottlieb 1971): Ball count unit
- 2001 (Gottlieb 1971): Ball count unit