Sources
Contributors to this record: IPDB, Flipcommons Catalog.
- technology_generation
- ElectromechanicalIPDBFlipcommons Catalog
- month
- 2IPDBFlipcommons Catalog
- year
- 1936IPDBFlipcommons Catalog
- player_count
- 1IPDBFlipcommons Catalog
- ipdb_id
- 4275IPDBFlipcommons Catalog
- corporate_entity
- Rotor Table Games Co, IncorporatedFlipcommons Catalog
- title
- Plus and MinusFlipcommons Catalog
- name
- Plus and MinusFlipcommons Catalog
- slug
- plus-and-minus-2Flipcommons Catalog