Kymograph
Kymograph | |
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MeSH | D007734 |
A kymograph (from Greek κῦμα, swell or wave + γραφή, writing; also called a kymographion) is an analog device that draws a graphical representation of spatial position over time. The graphical representation is a graph in which the y axis shows position and the x axis shows time. A kymograph consists of a revolving drum wrapped in paper on which a stylus draws to record measured changes of phenomena such as motion or pressure.[1][2]
The kymograph was initially a mechanical and hydraulic device, invented by German
Kymographs were also used outside medical science to measure atmospheric pressure, tuning fork vibrations, the functioning of steam engines, animal habits, and the movement of molecules in cells.
Kymography in experimental physiology
The kymograph is generally used to study the effects of
See also
References
- ^ University of Toronto Scientific Instruments Collection. "Vertical Kymograph". www.psych.utoronto.ca. Archived from the original on 2008-12-11. Retrieved 2017-04-29.
- ^ Science Museum. "Kymograph, London, England, 1925-1935". Archived from the original on 2017-04-05. Retrieved 2017-04-29.
- ^ Kwan, Alistair (2016). ""Do not kill guinea pig before setting up apparatus": the kymograph's lost educational context". Teorie Vědy. 38: 301–335.
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