Electrocardiograph, 20th century. This model includes an Einthoven cord, and was built in Paris in the period 1918 to 1920 by the engineer G. Boulitte

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Electrocardiograph, 20th century. This model includes an Einthoven cord, and was built in Paris in the period 1918 to 1920 by the engineer G. Boulitte.

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Size: 4543px × 4016px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

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