Cambridge Simpli-trol Electrocardiograph Ekg 0-167732

US $900.00

  • Gilbert, Arizona, United States
  • Jan 30th
Since the Italian physicist Dr. Luigi Galvani (1737-1798) first proposed the idea of "animal electricity" in 1787, the work of many scientists has led to development of the electrocardiographs used today. The first machine that could produce a paper record of electrical currents was invented in 1867. The first human electrocardiogram was published twenty years later. In 1901, the Dutch physiologist Dr. Willem Einthoven (1860-1927) invented the string galvanometer. It was commercially manufactured by the Cambridge Scientific Instrument Company around 1911. The company made many subsequent models, including the Simpli-Trol Portable Model, produced from the 1930s to the 1950s. In addition to recording the heart's electrical activity (electrocardiograms), this instrument could also record the pulse and heart sounds.
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand Cambridge
Model 0-167732

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