| Year | 1956 |
| Date | 22-Nov |
| Volume | 115 |
| Issue | 2,896 |
| Page | 719 |
| Category | Road Locomotive |
| Part | |
| Title | American Traction Engines make fine subjects for models |
| Author | Geoffrey K.King |
| Notes | Buffalo-Pitts double cylinder, Sawyer-Massey, J.I.Case, separate engine unit, unit construction advantages, Russell pattern friction clutch, Avery double-cylinder, Buffalo-Pitts boiler, Russell type sliding eccentric gear, eccentric gears, |