Add spaces: ThecompletedworkwassubmittedtotheAcadémiedesSciencesinParisinOctober1770andreadbeforetheAcadémieinAugust1771(althoughitwasnotpublishedbytheAcadémieuntil1785).
The completed work was submitted to the Académie des Sciences in Paris in October 1770 and read before the Académie in August 1771 (although it was not published by the Académie until 1785).