string galvanometer
Sign in to saveinstrument that provided the first practical electrocardiogram
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silver
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arrow
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Wayback Machine
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quartz
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Nobel Prize in Physiology or Medicine
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electromagnetic field
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Leiden University
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Willem Einthoven
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oscilloscope
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galvanometer
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electromagnet
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electrocardiography
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electrometer
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André Blondel
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commemorative publication
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Thomas Lewis
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Einthoven's triangle
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