| Year | 1928 |
| Date | 31-May |
| Volume | 58 |
| Issue | 1,412 |
| Page | 519 |
| Category | Electrical Work |
| Part | |
| Title | Some Experiments with Small Commutator Motors Running from Alternating Current |
| Author | Ernest Jackson |
| Notes | Running tests, reversing, rotary converter experiments, motor armature, brush positions, experiments with motor run from A.C. and accumulator, synchronous rectifier, the transformer |