| Year | 1957 |
| Date | 24-Jan |
| Volume | 116 |
| Issue | 2,905 |
| Page | 134 |
| Category | Locomotive |
| Part | |
| Title | Lobby Chat. Some facts about valve gears |
| Author | LBSC |
| Notes | Fast work, effect on small engines, cancels out, no mocrometer needed, plantation locomotive No. 1 Lahaina, Disneyland and Santa Fe freight train, Dick Bagley, important item, a fallacy, big "little uns" |