Electrocardiograph
You are looking at the first electrocardiograph machine of its kind. It’s like pretty much like the EKG’s grandfather.
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The Most Bizarre Medical Tools from Back in the Day
The More You Know
- Earth is 4.54 billion years old.
- A reindeer's eyes can change colors with the seasons.
- Arkansas hosts the annual World Championship Duck Calling Contest.
- Sixty percent of the World’s lakes (three million total) are located in Canada.