RT Journet London Vintage Handheld "Geometrical" Dexterity Puzzle model plane propeller I would think they were

I would think they were the real thing

Warren's Primary Georgraphy

One hair line crack visible coming in from the edge on the reverse side

widely varied stylistically and I think pretty interesting in a range of ways

RT Journet London Vintage Handheld "Geometrical" Dexterity Puzzle model plane propeller I would think they wereGreat graphics on this one, and I'm a sucker for geometrical shapes (I can never find geometrical solid blocks anymore, but this dexterity puzzle reminds me of them.) Produced by RT Journet London c. 1920s or so I believe. It's a challenge, but I do believe achievable! Perhaps just the right gift for one's favorite math teacher who needs distracting! 5" x 4 1 8" x 3 4". Good condition with light general wear and age.