| Year | 1907 |
| Date | 21-Nov |
| Volume | 17 |
| Issue | 343 |
| Page | 495 |
| Category | Exhibition |
| Part | |
| Title | Electric Power at "The Model Engineer" Exhibition |
| Author | |
| Notes | Johnson Lundell electric motor, Crypto Electrical Co.'s small power alternator, Johnson Lundell electric motor showing arrangement of magnetic poles, patent Duplex brush gear |