| Year | 1939 |
| Date | 02-Nov |
| Volume | 81 |
| Issue | 2,008 |
| Page | 505 |
| Category | Pump |
| Part | |
| Title | Small Centrifugal Pumps |
| Author | "Artificer" |
| Notes | Design, construction and application. Applications of small centrifugal pumps, the circulating pump in Ian Bradley's 15 c.c. two-stroke marine engine, vertical shaft circulating pump on the "Wall" multi-cylinder engine, stern tube pump by J.P.Ripper |