how to turn this one

this is an interesting thing and it is all wood

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i am not sure how i would turn this cut 12 individual squares then mount on the lathe turn into matching circles drill afterward

or

turn a cylinder drill it then slice it up

or

turn a cylinder chuck it up then part off each slice

i think method 2 would be best

the lettering is another story and attaching the spindle inside is also an interesting one

maybe affix a screw to one end and glue it and screw it to attach them in the middle so it is not visible

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Electric Comet
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this thing is called a jefferson disk invented and used by thomas jefferson for securing messages

the sender and recipient required the device

actually i wonder if he invented it or just his version of one he had already seen in use and recreated from memory

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Electric Comet

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