Richardsons sphygmograph, circa 1882
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Richardsons sphygmograph, circa 1882
Richardsons sphygmograph dating from around 1882. This sphygmograph is nickel and was made in England by Allen and Hanbury. The sphygmograph, originally invented in 1854 by German physiologist Karl von Vierordt, was used by physicians in the nineteenth century as a means of observing and measuring the pulse externally and non-invasively. A clockwork mechanism allows the radial pulse wave forms to be traced with a mounted pen
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9339645
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1880s 1882 Antique Apparatus Blood Pressure Cardiovascular Clinical Clockwork Device Devices Instrument Instruments Measure Measurement Measures Measuring Mechanical Nineteenth Century Pulse Radial Sphygmometry Tracer Traces Wrist Blue Background Clockwork Mechanism Richardsons
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