| Year | 1913 |
| Date | 13-Feb |
| Volume | 28 |
| Issue | 616 |
| Page | 145 |
| Category | Internal Combustion |
| Part | |
| Title | Model 4-cylinder 1 h.-p. Petrol Aeroplane Engine |
| Author | A.T.Hawkins |
| Notes | Made on a Drummond Lathe. No. 1 in the recent prize competition arranged by Messrs. Drummond Bros., Ltd. View, side elevation, plan, elevation & details of construction, part sectional plan, finished parts, back end view |