| Year | 1958 |
| Date | 20-Feb |
| Volume | 118 |
| Issue | 2,961 |
| Page | 231 |
| Category | Nautical |
| Part | 9 |
| Title | Power for model boats. Special engines for twin screws |
| Author | Edgar T.Westbury |
| Notes | Merits of twin screws, by Whitney Brothers, engine accessories, circulating pumps, water scoops, water control, thermo-syphon cooling, gearwheel rotary pump by Bond's o' Euston Road, filters, accessibility, propellers, in conclusion |