Cranks of the Dark Ages
The dark ages of western Europe � nasty, brutish, and short — did nevertheless produce technical innovations in metallurgy, agriculture, and, as identified in the Utrecht Psalter, a groundbreaking simple machine: the crank.
The dark ages of western Europe � nasty, brutish, and short — did nevertheless produce technical innovations in metallurgy, agriculture, and, as identified in the Utrecht Psalter, a groundbreaking simple machine: the crank.
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