Galileo observing the swaying of the chandelier

Galileo observing the swaying of the chandelier in Pisa Cathedral, circa 1584. Galileo Galilei (1564-1642) Italian astronomer, mathematician and physicist used this observation in his work which led to his discovery of the isochronism of the pendulum and eventually, through Huyghens, to development of the pendulum clock. From Vies des Savants Illustres, Louis Figuier, (Paris, 1870)

1564-1642 1584 Astronomer Chandelier Eventually Figuier Galilei Galileo Huyghens Illustres Mathematician Measurement Pendulum Pisa Savants Swaying Vies

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