| Pinball |  Hawthorne Model 291 | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Hey Day | 1938 | Western Equipment & Supply Co. Chicago, IL, USA |
| Coin-op Misc. game | Hi-Ball | 1938 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Slot Machine | Hialeah Special | 1938 | Evans & Co., H.C. Chicago, IL, USA |
| Slot Machine | Hialeah Special Improved model | 1938 | Evans & Co., H.C. Chicago, IL, USA |
| Coin-op Misc. game | Hidden Treasure | 1938 | Bryans Automatic Works Kegworth, Derbyshire, England |
| Pinball | Hit Number | 1938 | Keeney & Co., J.H. Chicago, IL, USA |
| Pinball | Home Stretch Model 309 | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Honey | 1938 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Trade Stimulator | Horse Play | 1938 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Pinball | Imo Diamant | 1938 | Jentzsch & Meerz, Max Leipzig, Germany |
| Pinball | Imo Juwel | 1938 | Jentzsch & Meerz, Max Leipzig, Germany |
| Trade Stimulator | Improved Seven Grand | 1938 | Withey Co., B.A. Chicago, IL, USA |
| Trade Stimulator | Improved Seven Grand | 1938 | Rialto Sales Co. Chicago, IL, USA |
| Trade Stimulator | Indian Dice | 1938 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Trade Stimulator | Jackpot Bell Slide | 1938 | Daval Mfg. Co. Chicago, IL, USA |
| Slot Machine | Jackpot Races | 1938 | Pace Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Joker | 1938 | Daval Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Joker Gum Vendor | 1938 | Daval Mfg. Co. Chicago, IL, USA |
| Coin-op Misc. game | Jungle | 1938 | Genco, Inc. Chicago, IL, USA |
| Slot Machine | King Pin | 1938 | Pace Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | King Row | 1938 | Neff Novelty Co. Danville, IL, USA |
| Pinball | Klondike | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Kounter King | 1938 | Mills Novelty Co. Chicago, IL, USA |
| Pinball | Lexington Model 241 | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Lexington Model 262 | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Strength Tester | Lift-O-Graph | 1938 | International Mutoscope Reel Co., Inc. New York, NY, USA |
| Trade Stimulator | Little Giant | 1938 | Robbins & Co., D. Brooklyn, NY, USA |
| Trade Stimulator | Little Poker Face | 1938 | Sanders Mfg. Co., J.M. Chicago, IL, USA |
| Trade Stimulator | Lucky | 1938 | Norris Mfg. Co. Columbus, OH, USA |
| Trade Stimulator | Lucky Ducks | 1938 | Renouf Mfg. Corp. Chicago, IL, USA |
| Slot Machine | Lucky Lucre | 1938 | Evans & Co., H.C. Chicago, IL, USA |
| Trade Stimulator | Lucky Pack | 1938 | Bennett & Co. IL, USA |
| Trade Stimulator | Lucky Star | 1938 | Gottlieb & Co., D. Chicago, IL, USA |
| Trade Stimulator | Lucky Star | 1938 | Stephens & Co., A.J. Kansas City, MO, USA |
| Allwin | Lucky Star | 1938 | BMCo. British Mfg. Co. London, England |
| Coin-op Misc. game | Magic Ball | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Man-O-War | 1938 | Gottlieb & Co., D. Chicago, IL, USA |
| Slot Machine | Marathon | 1938 | Paces Races, Inc. Chicago, IL, USA |
| Trade Stimulator | Margaret Burnham's | 1938 | Wood Mfg. Co., A.R. Santa Cruz, CA, USA |
