| Year | 1925 |
| Date | 08-Oct |
| Volume | 53 |
| Issue | 1,276 |
| Page | 457 |
| Category | Small Power Plant |
| Part | |
| Title | The Construction of a Twin Horizontally Opposed 2-inch by 2 1/2-inch Petrol Engine |
| Author | E.W.Brennand |
| Notes | The pistons and components, machining pistons, piston rings, gudgeon pin, gudgeon pin end caps, pistons and accessories - final note |