| Year | 1929 |
| Date | 24-Oct |
| Volume | 61 |
| Issue | 1,485 |
| Page | 383 |
| Category | Electrical |
| Part | |
| Title | Electric Motors in the Making |
| Author | A.H.A. |
| Notes | Special purpose tools for machining operations on the frames of electric motors, etc., various test views, coil winding machine |