Pendulum

Horologium oscillatorium: 1673.

Christiaan Huygens

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.

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.

Methods and results: The closing of a circuit of triangulation

U.S. Coast and Geodetic Survey

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

Edward Sabine

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

by Hubert Ripka.

Teacher's guide for pendulums: investigating physics with swinging objects

Elementary Science Study.

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].

Die Welt der Wünschelrutengänger und Pendler: Erkundungen einer verborgenen Wirklichkeit

Hubert Knoblauch.

The Pendulum: Scientific, Historical, Philosophical and Educational Perspectives

Michael R. Matthews