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by anonymous5133 2810 days ago
FYI, for others reading. You can watch the abacus documentary in the link below. I highly recommend it as well. Well worth the 90 mins for sure.

https://www.pbs.org/video/abacus-small-enough-to-jail-suqmxe...
1 comments
thirdsun 2810 days ago
> FYI, for others reading. You can watch the abacus documentary in the link below.

*unless you live outside the US.

link