Here's an interesting resource for prospective gadget builders interested in how machines work. It's the
website for an old TV series, from the late 1980s, called The Secret Life of Machines.
Written by Tim Hunkin, the shows appeared on Channel 4 (and the Discovery Channel) and were originally developed from a cartoon strip. This was called 'The Rudiments Of Wisdom', Hunkin drew for the Observer newspaper for 14 years. (I remember the Observer cartoons, but missed the TV series)
According to the site:
Just how does a video recorder work? And how about fax machines, cars, washing machines, electric light, telephones, vacuum cleaners, and refrigerators? You'll find the answers here. This site is designed as a companion to the TV series 'The Secret Life Of Machines' written by Tim Hunkin, and presented by Tim Hunkin and Rex Garrod.
The machines covered? The full list is:
Continue reading "The Secret Life of Machines" »

Thanks to Francesco for this one, he highlights a specially developed spot-welding device:
"This electronic spot-welding device has been specially developed for producing assemblies from steel wire," he writes. "The point where the wires meet is fixed together using a pair of pliers whose tips take the form of welding contacts; when the start switch is pressed, the joint is firmly welded together. During the welding process a current of up to 2500 A flows through the contacts for a few thousands of a second."
Continue reading "Electronic spot-welding device for modelling" »
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