| Year | 1942 |
| Date | 04-Jun |
| Volume | 86 |
| Issue | 2,143 |
| Page | 533 |
| Category | Steam |
| Part | |
| Title | Pivot Pins in Valve and Main Motion of Steam Engines |
| Author | Geo. Gentry |
| Notes | Showing methods of pin-and-nut locking pivots, showing flush-ended pivots, pin and rivet locked, showing taper pin locking on very small work, lapping |