| Year | 1907 |
| Date | 11-Apr |
| Volume | 16 |
| Issue | 311 |
| Page | 352 |
| Category | Model Making for Beginners |
| Part | |
| Title | A Simple Electro-Motor |
| Author | James K.Cobb |
| Notes | Baseboard, bearing standards, attaching ,agnets, rocker, core plates, crankshaft, brushes & contact-sleeve, connections |