| Year | 1981 |
| Date | 01-May |
| Volume | 147 |
| Issue | 3,656 |
| Page | 552 |
| Category | Electrical |
| Part | |
| Title | Thyristor Speed Control of Small Electric Motors |
| Author | B.J.Gould |
| Notes | Thyristor operation, basic control circuit, improved thyristor speed control circuit, component values, safety, speed control of low voltage d.c. motors |