Hi,
Found in an old book about professional teaching in France, back in 1954 :
The text says :
"Psychotechnic - Precision test with electric recording : portable device for selecting machinist apprentices"
It's actually similar to that kind of game, but controlled by an X/Y cross table :
Last edited by Christophe Mineau; Oct 2, 2022 at 02:49 AM.
Cheers !
Christophe
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mwmkravchenko (Oct 4, 2022), nova_robotics (Oct 3, 2022)
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