| Year | 1908 |
| Date | 13-Aug |
| Volume | 19 |
| Issue | 381 |
| Page | 146 |
| Category | Electrical |
| Part | |
| Title | A Double-acting Solenoid Engine |
| Author | Alfred J.Budd |
| Notes | Complete engine & elevation, bell-crank arm & details, bearings for bell-crank spindle, standards with bearings for flywheel axle, flywheel axle & crank, plunger & cross pin, brushes & contact-breaker, diagram of connections |