Modified Dudgeon sphygmograph, circa 1890 C017 / 6946
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Modified Dudgeon sphygmograph, circa 1890 C017 / 6946
Modification of the Dudgeon sphygmograph with tambour in its case, dating from around 1890, England. This instrument is made out of nickel and has a clockwork mechanism. 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 pulse wave forms to be traced with a mounted pen
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9341759
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1890 1890s 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 Dudgeon Tambour Tambours
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