| Year | 1939 |
| Date | 19-Oct |
| Volume | 81 |
| Issue | 2,006 |
| Page | 450 |
| Category | Pump |
| Part | |
| Title | Small Centrifugal Pumps |
| Author | "Artificer" |
| Notes | Design, construction and application. A motor-driven vertical-shaft pump, (by courtesy of the British Thomson-Houston Co.), action of the centrifugal pump, BTH electro-hydraulic "Thrustor", the impeller, "curved tangential" and shrouded impellers |