It couldn't predict earthquakes, but could tell which direction they came from.
The device had eight metal dragons, with each dragon facing a different compass direction: north, east, south, west, northeast, northwest, southeast, and southwest. Each held a copper ball in its mouth. Beneath them are eight copper toads, with their open mouths tilted up.
When an earthquake struck, the dragon facing its direction would release its ball into the mouth of the toad below, showing an observer which direction the earthquake had come from. Sensitive pendulums inside it would trigger the ball dropping.
Fill in the United States how you want with the Custom US Map component. Shade based on data, where you’d live, regional stereotypes, rankings, memes, etc. Must use the Custom US Map component.
Fill in the United States how you want with the Custom US Map component. Shade based on data, where you’d live, regional stereotypes, rankings, memes, etc. Must use the Custom US Map component.
It couldn't predict earthquakes, but could tell which direction they came from.
The device had eight metal dragons, with each dragon facing a different compass direction: north, east, south, west, northeast, northwest, southeast, and southwest. Each held a copper ball in its mouth. Beneath them are eight copper toads, with their open mouths tilted up.
When an earthquake struck, the dragon facing its direction would release its ball into the mouth of the toad below, showing an observer which direction the earthquake had come from. Sensitive pendulums inside it would trigger the ball dropping.
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