Other demo using lathes in synch. Telegram service slowed introduction of fax. Early film commercial shows advantage of fax Vs bike messenger. Principle of digitising image. Thermal paper fax.
Faxes talk to faxes over phone lines.
The Secret Life of Office covers office machines and has been on TV around the world - USA, Australia, UK, Britain. It is a 6 video series. Using analogies, illustrations, animation, working models and extraordinary experiments, Tim Hunkin explains machines used in the modern office.