Note 35 — DEVELOPMENT OF GRAVITY PENDULUMS IN THE 19th CENTURY
Reading edition
Francis Baily, “On the Correction of a Pendulum for the Reduction to a Vacuum, Together with Remarks on Some Anomalies Observed in Pendulum Experiments,” Phil. Trans. (1832), vol. 122, pp. 399-492. See also Collection de mémoires, vol. 4, pp. B-105, B-112, B-115, B-116, and B-117.