Gilles de Roberval (1602-1675), “Roberval Balance”, 1669.
1669 in Paris FRANCE, Gilles de Roberval presented to the French Academy of Sciences the “Roberval Balance” which was a weighing scale. The nonfiction, science booklet by Jesse Russell, and Ronald Cohn, “Roberval Balance”, 2012 is a recount of this historic invention. Gilles de Roberval was a mathematician; and, the weighing of masses accurately was … Continue reading Gilles de Roberval (1602-1675), “Roberval Balance”, 1669.
