| Slot Machine |  The Operators Bell Bullseye | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Free Play | 1930 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Iron Case | 1910 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Oak Case | 1915 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Owl | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Spearmint | 1920 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl | 1897 | Mills Novelty Co. Chicago, IL, USA |
| Pinball | The Owl | 1941 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl Jr. | 1899 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl Jr. Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl 1904 model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl Improved model | 1898 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl Musical model | 1897 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Peerless | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | The Perfect Muscle Developer | 1920 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Pilot Flag Reels | 1906 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Pilot Spot Reels | 1906 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Premium Gum Machine | 1912 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Spinner | 1938 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Trader | 1902 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Three Bells | 1941 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Tickette | 1935 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Totem | 1911 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Totem Floor Gum Vender | 1911 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Totem Gum Vender | 1911 | Mills Novelty Co. Chicago, IL, USA |
| Coin-op Misc. game | Tournament | 193? | Mills Novelty Co. Chicago, IL, USA |
| Coin-op Misc. game | Track King | 193? | Mills Novelty Co. Chicago, IL, USA |
| Pinball | Tycoon | 1936 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Umpire | 1910 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Upright Card Machine | 1901 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Upright Perfection | 1898 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 420-C | 1940 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 420 | 1938 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 421-C | 194? | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 421 | 194? | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 422-C | 194? | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 422 | 1939 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 423-C | 194? | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 423 | 1940 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Vest Pocket Model 424-C | 194? | Mills Novelty Co. Chicago, IL, USA |
