Pendulum escapements. 19th century diagrams of clock pendulums. The first pendulum clock was made by Christiaan Huygens in 1656, heralding the beginni

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Pendulum escapements. 19th century diagrams of clock pendulums. The first pendulum clock was made by Christiaan Huygens in 1656, heralding the beginning of accurate time measurement. Engraving from 'Recherches sur les perfectionnements a introduire dans les pendules de chemin es' by Henry Robert and Charles Wheatstone (1857).

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Size: 3318px × 5315px
Photo credit: © KING'S COLLEGE LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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