Marey's heart machines. 19th-century artworks of the devices developed in 1881 by the French scientist Etienne-Jules Marey (1830-1904) for the study o
Marey's heart machines. 19th-century artworks of the devices developed in 1881 by the French scientist Etienne-Jules Marey (1830-1904) for the study of the circulatory system. At top is a cardiographic device that can record successive movements of the heart. At bottom is a device to register the movement of liquid waves. These were the fore-runner of the electrocardiograph.
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Photo credit: © Science Photo Library / Alamy / Afripics
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Keywords: 1800s, 1881, 19th, artwork, black--white, cardiac, cardiograph, cardiographs, cardiology, cardiovascular, century, electrocardiograph, electrocardiography, etienne-jules, europe, european, france, french, heart, historical, history, illustration, machine, machines, marey, mareys, medical, medicine, monochrome, physiological, physiology, technological, technology
