| Year | 1919 |
| Date | 03-Jul |
| Volume | 41 |
| Issue | 949 |
| Page | 13 |
| Category | Electrical |
| Part | |
| Title | The Electrical Transmission of Photographs |
| Author | Marcus J.Martin |
| Notes | 1. Introductory. 2. Early systems, Bain's chemical telautograph, Bakewell's telautograph, Caselli's pan-telegraph, Charbonelle's system, Shelford Bidwell's telephotograph, Bidwell's selenium apparatus, the telewriter, combined transmitting & receiving |