Category: Pulse
Estimated Date: 1900
Name: Pulse Watch
Description: 2” diameter stop watch. Regular time, plus a second hand,which sweeps a scale calibrated so that after counting 20 pulsations it reads the pulse rate/min. Also has two smaller scales, one for seconds and one for minutes. Gun metal with porcelin face noted sphygmometer, patent, calculated for 20 pulsations. Serial #45903.
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