It worked by transmitting signals to a radio receiver and used an electrochemical process to darken areas of a sensitized paper wrapped over a rotating drum.
- The History of Fax - From Alexander Bain's 1843 invention to today's internet based fax systems (and everything in between)
- Alexander Bain - Developed an Experimental Fax Machine between 1843 and 1846
- Arthur Korn - Developed Fax Machine for Transmitting Photographs
- Edouard Belin - Inventor of the Bélinographe
- Frederick Bakewell - Improved Bain's Facsimile Machine
- Giovanni Caselli - Inventor of the Pantelegraph. Sent images 800km across telegraph wires 9 years before Alexander Graham Bell's Telephone Patent
- Herbert E. Ives - Sent first color fax
- Richard H. Ranger - Invented first Transatlantic Radio Fax
- Rudolf Hell - Invented the Hellschreiber
- Shelford Bidwell - Research in the field of "Telephotography"
- Pantelegraph - An early fax invention used to transmit images over telegraph lines
- Fultograph - An early fax invention used to transmit images over radio waves"
- Teleautograph - An early fax invention used to transmit signatures over long distances
- 3D Fax - A 1990s technique used to send computer code over a fax machine. Each page could hold about 50kb of information
- Radiofax - Still used today, a method for transmitting images over long distances through radio. Also known as HF Fax or Weatherfax