| Year | 1913 |
| Date | 20-Mar |
| Volume | 28 |
| Issue | 621 |
| Page | 273 |
| Category | Steam |
| Part | |
| Title | Automatic Expansion Gear for Model Engines |
| Author | H.Muncaster |
| Notes | Corliss gear. diagram of valve gear, section of dash pot showing spring for closing valve, snifting valve for dash pot, rod with trip gear, showing relative positions of eccentric & crank, arrangement of two wrist plates, governor connection to trip gear |