Celebrating Puzzles, in 18,446,744,073,709,551,616 Moves (or So)
By Margaret Wertheim, 25 July 2006, New York Times
The Lilly Library at Indiana University acquires puzzles... lots and lots of them, including "Sunday boxes", which were used for entertainment on the Sabbath back in the day.
This is a Pensieve, or actually more of a butterfly net. For capture rather than contemplation.
