Once again, the French Academy of Sciences was to be both a witness and a support: in that year, the watchmaker had two envelopes opened that had been filed in 1760 and 1761.
وكانت أكاديمية العلوم مرة أخرى الشاهد الحي والداعم له: فتح الساعاتي مظروفين تم إيداعهما عام 1760 و1761.