《太平广记·卷二百二十五·伎巧一》
地动仪是用精炼的铜铸成的。圆径八尺，盖合高隆起来，形状像个大的酒杯。上面绘制有篆文、山龟、鸟兽等图案作为装饰。
以精铜铸之，圆径八尺，盖合隆起，形如酒樽，饰以篆文及山龟鸟兽之状。
The seismograph was cast from refined copper. It was eight feet in diameter and the top was high and round, shaped like a large wine cup. It was decorated with seal script, mountains, tortoises, birds, and animals.