| Year | 1942 |
| Date | 08-Oct |
| Volume | 87 |
| Issue | 2,161 |
| Page | 338 |
| Category | Locomotive |
| Part | |
| Title | The Holcroft 4-to-2 Valve Gear |
| Author | LBSC |
| Notes | Mr. Holcroft's explanation, a tight squeeze, the Holcroft gear on "Tugboat Annie" (photo by C.J.Grose), how the gear works, rocking levers, gear frame plate, how the gear was made, how the gear is erected |