An ancient Chinese nautical compass. The phenomenon of magnetic polarity was known in China since the 8th century.

Size: 3472px × 3355px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ancient, antique, china, chinese, compass, device, historic, historical, history, instrument, magnetic, magnetism, nautical, navigation, object, polarity, pole