In the 1760s mapmaker John Spilsbury invented this, which must be fit together
[DOC] [TLE] History of Puzzles | PuzzleWarehouse.com [PAR] John Spilsbury, an engraver and mapmaker, is credited with inventing the first .... 
Over the years Richardson invented many trick puzzles that fit together in... [DOC] [TLE] Spilsbury Award | Association for Games & Puzzles International [PAR] Bob Armstrong was awarded AGPC's prestigious Spilsbury Award at our 2013 ...