📁 机械

Mechanical puzzles are small objects that require manipulation to achieve some result. Examples would be a Rubik's Cube or a ball stuck in a 3D maze.

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Esme Valves Ltd

http://www.esme-valves.co.uk/

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Eazi-Stops

http://www.eazi-stops.com/

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Elite Control Systems Limited

http://www.elitecontrols.com/

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Erik S. Klein's Vintage Computer Collection

http://www.vintage-computer.com/

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Eric Smith's Retrocomputing page

http://www.brouhaha.com/~eric/retrocomputing/

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