[Martin] of [Wintergatan] is on a quest to create the ultimate human-powered, modern marble music machine. His fearless mechanical exploration and engineering work, combined with considerable musical ...

Pincho balls are circulated like a Pythagora switch by combining wooden handwheel handles, gears, rails, etc. with drums, vibratophones and bases, turning the handwheel handle, and when the pachinko ...

Grinding, or abrasive machining, once performed on conventional milling machines, lathes and shapers, are now performed on various types of grinding machines. Grinding machines have advanced in design ...