| Year | 1946 |
| Date | 03-Jan |
| Volume | 94 |
| Issue | 2,330 |
| Page | 8 |
| Category | Turbine |
| Part | |
| Title | The Problem of Efficiency in Small Steam Turbines |
| Author | J.H.Johnson |
| Notes | The nature of the losses and their reduction. Side views of experimental rotors, conclusion, graph of rotor energy as percentage of energy available at nozzle exit at fractional reductions in blade speed |