| Year | 1993 |
| Date | 21-May |
| Volume | 170 |
| Issue | 3,945 |
| Page | 600 |
| Category | Electrical |
| Part | 2 |
| Title | Motor Control |
| Author | Richard Torrens |
| Notes | Reviews the options available. Twenty or twenty-four volt? Series-parallel motors, field wound motors, variable field current, direction reversal, automobile units, car dynamos, starter motor, machine tool drives |