What mathematical instrument was invented by William Oughtred in 1622?
Cursor (slide rule) Slipstick Cursor (slide rules) Slide rule Slide ruler Slide rules Slipsticks Addition Slide Rule Slide Rule Slide-rule Circular calculator Circular slide rule Sliderule
circular slide rule slide ruler sliderule addition slide rule slipsticks slide rules slide rule circular calculator cursor slide rules slipstick cursor slide rule
slide rule
WikipediaEntity
Slide Rule