Note 58 — DEVELOPMENT OF GRAVITY PENDULUMS IN THE 19th CENTURY
Reading edition
The record of Peirce’s observations in Europe during 1875-76 is given in C. S. Peirce, “Measurements of Gravity at Initial Stations in America and Europe,” Report of the Superintendent of the Coast Survey for 1875-76 (Washington, 1879), pp. 202-337 and 410-416. Peirce’s report is dated December 13, 1878, by which time the name of the Survey had been changed to U.S. Coast and Geodetic Survey.