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Continue to ChatThis statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel? https://pastmcqs.pk/this-statesman-politican-scholar-inventor-and-one-of-early-presidents-of-usa-invented-the-swivel-chair-the-spherical-sundial-the-moldboard-plow-and-the-cipher-wheel/