| Year | 1909 |
| Date | 30-Sep |
| Volume | 21 |
| Issue | 440 |
| Page | 316 |
| Category | Electrical |
| Part | |
| Title | An Electric Pen for Writing Without Ink |
| Author | |
| Notes | An interesting invention which will be on view at "The Model Engineer" exhibition. Diagram of connections, Dr. Ghadiali |