List of Physical Visualizations
and Related Artifacts
With tag “china”

132 – Chinese Seismoscope

A seismoscope is a qualitative indicator of seismic activity — as opposed to seismographs which show quantitative data, typically through line graphs. The oldest known seismoscope is Chinese and dates backs from 132. It was a large bronze device that dropped a ball into a bronze container (one of the eight frogs on the image above) every time an earthquake was detected, thus producing a loud sound. The direction of […]

Added by Yvonne Jansen. Category: Measuring instrument. Tags: , ,
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