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Sphygmomanometer (blood presure apparatus), 1890.

Sphygmomanometer (blood presure apparatus), 1890.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

The sphygmomanometer measures blood presure, it has an aneroid barometer dial showing changes in blood presure, unlike the modern ones which have a cuff and U tube. To take the maximum blood presure, it has a pelotte, or bulb which was presed onto the radial artery in the arm, until the pulse disappeared.

Image Details

Image Ref.
 
10308591

© Science Museum / Science & Society Picture Library

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