Fort tight rock solid, the artillery battery, for a maximum of five pre-hoh-bore gun Yang, a range of up to 15, six Village, the invaders have a certain deterrent effect.

• 石炮台坚固严密，炮台里的火炮最大的一座为五千斛前膛洋炮，射程可达十五、六华里，对入侵者有一定威慑作用。