Explanation of the tautochrone in a resistant medium
According to Jacobi, a treatise with this title was read to the Berlin Academy on May 28, 1761. According to St. Petersburg Academy records, it was presented to that Academy on May 17, 1762.
Original Source Citation
Novi Commentarii academiae scientiarum Petropolitanae, Volume 10, pp. 156-178.
Opera Omnia Citation
Series 2, Volume 6, pp.189-208.