| Strength Tester |  Rodeo Rumble | 2000 | Nova Productions England |
| Strength Tester | Rubber-Neck Lung Test. | 1905 | Caille Bros. Co., The Detroit, MI, USA |
| Strength Tester | Rubber-Neck Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Scientific Punching Machine | 1900 | Rosenfield Mfg. Co. New York, NY, USA |
| Strength Tester | Searchlight Grip and Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Shake With Uncle Sam | 1908 | Caille Bros. Co., The Detroit, MI, USA |
| Strength Tester | Shake With Your Uncle Sam | 1904 | Howard F.J. Howard |
| Strength Tester | Soccer Club | 200? | Coney Island Arcade Brooklyn, NY, USA |
| Strength Tester | Soccer Mania Autoball Kicker | 200? | Kriss-Sport Zory, Poland |
| Strength Tester | Soccer Mania Simple Kicker | 2005 | Kriss-Sport Zory, Poland |
| Strength Tester | Soulder-O-Graph | 19?? | Unknown |
| Strength Tester | Speed Bag | 199? | Lazer-Tron Corp. Pleasanton, CA, USA |
| Strength Tester | Spirometer | 1889 | Blake, John F. New York, NY, USA |
| Strength Tester | Squeze-O-Graph | 19?? | Unknown |
| Strength Tester | Standard Grip Testing Machine | 1897 | Beverly Machine Co. |
| Strength Tester | Street Punch | 2014 | Wahlap Technology China |
| Strength Tester | Street Soccer | 2014 | Wahlap Technology China |
| Strength Tester | Strength Test | 190? | Gatter Novelty Co. Philadelphia, PA, USA |
| Strength Tester | Strength Tester | 1886 | Page, Robert W. London, England |
| Strength Tester | Striking and Strenght Tester | 1892 | Troxler Novelty Introduction Co. Newark, NJ, USA |
| Strength Tester | Striking Clock | 1925 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Strength Tester | Strong Man | 2007 | X-line |
| Strength Tester | Strong Puncher | ???? | Unknown |
| Strength Tester | Submarine Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Super Grip | 1947 | Mann Novelty Co. Chicago, IL, USA |
| Strength Tester | Super Grip | 200? | Mayoni Enterprises Pacoima, CA, USA |
| Strength Tester | Test Lifting Machine | 1888 | Lighton Machine Co., John Syracuse, NY, USA |
| Strength Tester | Test Your Pull | 1886 | Everitt, P. London, England |
| Strength Tester | Test Your Strength | 1901 | New England Mfg. Co. |
| Strength Tester | Testo | 19?? | Unknown |
| Strength Tester | The Akyuryoku | 2009 | RS Co., Ltd. |
| Strength Tester | The Grappler | 1988 | Gametek Systems, Inc. Vancouver, BC, Canada |
| Strength Tester | The Heart-O-Meter | 1940 | Unknown USA |
| Strength Tester | The Herculean Automatic Football | 1891 | Barr, A. London, England |
| Strength Tester | The Karate | 1981 | Unknown |
| Strength Tester | The King | 2001 | Adalio Mauro Modena, Italy |
| Strength Tester | The King Foot Ball | 200? | Adalio Mauro Modena, Italy |
| Strength Tester | The Mills Combination Punching Machine | 1900 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | The Modern Electric Light Blowing Machine | 1898 | Gasser |
| Strength Tester | The Monster - Arm Wrestling Machine | 19?? | West Coast Monster Co. Del Mar, CA, USA |
