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Refined by: creation date: 1976 To 1991 remove top level: Digital Resources/Online E-Resources remove xxx: xxx remove
Result Number Material Type Add to My Shelf Action Record Details and Options
1
Puzzle with two equal sets of 18 different pieces - fit together in one way only to form rectangular parallelepiped
Material Type:
Patent
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Puzzle with two equal sets of 18 different pieces - fit together in one way only to form rectangular parallelepiped

Digital Resources/Online E-Resources

2
Draughts type board game - has 24 pieces in 5 by 5 array removed by jumping horizontally or vertically leaving central piece untouched
Material Type:
Patent
Add to My Research

Draughts type board game - has 24 pieces in 5 by 5 array removed by jumping horizontally or vertically leaving central piece untouched

Digital Resources/Online E-Resources

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