'About 1621 William Oughtred invented this device that stuck out of nerds' shirt pockets well into the 20th century'
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17th CENTURY SCIENCE: About 1621 William Oughtred invented this device that stuck out of nerds' shirt pockets well into the 20th century
About 1621 William Oughtred invented this device that stuck out of nerds' shirt pockets well into the 20th century
About 1621 William Oughtred invented this device that stuck out of nerds' shirt pockets well into the 20th century
17th CENTURY SCIENCE
Slide rule
17th CENTURY SCIENCE