Pendulum

Horologium oscillatorium: 1673.

Christiaan Huygens

Czechoslovakia enslaved: the story of the Communist coup d'état

by Hubert Ripka.

Methods and results: The closing of a circuit of triangulation

U.S. Coast and Geodetic Survey

An account of experiments to determine the figure of the earth: by means of the pendulum vibrating seconds in different latitudes, as well as on various other subjects of philosophical inquiry

By Edward Sabine ... Printed at the expense of the Board of Longitude.

The Pendulum: Scientific, Historical, Philosophical and Educational Perspectives

Michael R. Matthews

Das Pendel: eine Wissensgeschichte

Christian Kassung.

Memoires sur différens sujets de mathematiques.

Par M. Diderot ...

Lecture on the pendulum-experiments at Harton Pit: delivered in the central hall, South Shields, October 24, 1854 : together with a letter containing the results of the experiments

by George Biddell Airy.

The practical pendulum book: with instructions for use and thirty-eight pendulum charts

D. Jurriaanse ; translated from the Dutch [by Tony Langham and Plym Peters].

A Little Book of Pendulum Magic

D. J. Conway