| Year | 1947 |
| Date | 05-Jun |
| Volume | 96 |
| Issue | 2,402 |
| Page | 679 |
| Category | Internal Combustion |
| Part | |
| Title | Why Not a Model Rotary? |
| Author | Edgar T.Westbury |
| Notes | Front view of 50 h.p. Gnome engine (1908) in the Science Museum, rear view, (reproduced by permission of Sir F.K.McClean), valve operation for Gnome engines, section of cylinder head, section of Monosoupapa engine cylinder |