RT Journet London Vintage Handheld "Geometrical" Dexterity Puzzle model plane propeller might suggest

might suggest

This drawing is unsigned but I know dates to the late 19th century and was done by J

I would think they were the real thing

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

Armour became a national operation and one of the country's largest businesses

RT Journet London Vintage Handheld "Geometrical" Dexterity Puzzle model plane propeller might suggestGreat 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.