This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
A SHIP OF WAR. Drawing by William Alexander draughtsman of the Macartney Embassy to China in ship of war Pingeena laying at anchor near Ningpo The rudder is lifted to preserve it while at anchor Alexander noted that the artillery ports were false as few ships of the Chinese navy were equipped at that time with guns and were used