| Year | 1924 |
| Date | 30-Oct |
| Volume | 51 |
| Issue | 1,227 |
| Page | 489 |
| Category | Electrical |
| Part | 3 |
| Title | Fractional H.-P. Alternating-Current Motors. Power for the Model Engineer's Workshop |
| Author | R.Roberts |
| Notes | "Brittain" three-phase squirrel-cage motor, slip-ring motors, switch gear for small A.C. motors ("star-delta"), Crypto commutating rectifier, small converting apparatus, concluding hints |