Pendulum. *3341.1.7= **E,128.1.7 Foster, Captain Henry, R. N. 1797-1831.
Report on the pendulum experiments made by Captain Henry Foster, in his scientific voyage in the years 1828-1831, with a view to determine the figure of the earth, Drawn up at the request of the council of the Royal astronomical society, by Francis Baily.
London: J. Weale. 1834. vi, (1), 378 pp. [Royal astronomical society, London. Memoirs. Vol. 734°,