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 the earthquake could then be examined by looking at the container in which […]

Added by: Yvonne Jansen. Category: Measuring instrument  Tags: China, seismometer, sonification