Sphygmograph

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An instrument for recording the form, strength, and variety of the pulse of the heart.

Keywords

heart beat

Galleries

Health Care

Source

The Encyclopedia Britannica: Volume 1 (New York, NY: The Encyclopedia Britannica Company, 1910)

Downloads

TIFF (full resolution)

2400×1446, 3.3 MiB

Large GIF

1024×616, 126.8 KiB

Medium GIF

640×385, 55.1 KiB

Small GIF

320×192, 14.0 KiB