Category: Pulse
Estimated Date: 1890
Name: Pulse Meter
Manufacturer: Unknown

Description: 3“x 1“x 1/2” cardboard box labeled by hand pulse meter contains a 1/2” h x 5/8” hat shaped metal piece with no top. There is a 2 1/4” copper spring, which is coiled beneath it, attached to the top, which then has a straight piece going up through the hole and protruding about 1” with a paper red flag attached. When held against the radial artery the flag moves up and down for visual counting.