World's Largest Collection of Mechanical Puzzles
In 2006, puzzle enthusiast and aut... ...thor Jerry Slocum donated his extensive collection of mechanical puzzles (he's got more than... ...iversity. Today, you can browse the image collection online: Link - via bookofjoe
http://www.neatorama.com/2012/06/18/worlds-largest-collection-of-mechanical-puzzles/



