| Year | 1944 |
| Date | 02-Mar |
| Volume | 90 |
| Issue | 2,234 |
| Page | 211 |
| Category | Electrical |
| Part | |
| Title | Simple Power Rheostats |
| Author | "Artificer" |
| Notes | Heavy-duty sliding rheostat adapted to utilise a standard bowl-fire resistance element, alternative methods of connecting rheostat, infinitely variable rheostat |