Note 101 — DEVELOPMENT OF GRAVITY PENDULUMS IN THE 19th CENTURY (continued 2)
Reading edition
J. A. Duerksen, Pendulum Gravity Data in the United States (Special Publication No. 244, U.S. Coast and Geodetic Survey; Washington, 1949).
Reading edition
J. A. Duerksen, Pendulum Gravity Data in the United States (Special Publication No. 244, U.S. Coast and Geodetic Survey; Washington, 1949).