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Treatise on Armament Technology, Volume 21
Page 8
Map Annotations (Read from right to left, following the coastline from North to South):
The Frontier Wall and Fortresses:
Weiyuan Fort, Jing’an Fort, Chang’an Fort, Panshan Fort, Guangning Guard The administrative and military headquarters of the Liaodong region., Yizhou, Jinzhou, Ningyuan Guard A vital coastal stronghold that famously resisted the Manchu siege in 1626., Central-Front Post, Front-Garrison Guard, Shanhai Pass original: "山海關" (Shanhaiguan). The famous point where the Great Wall meets the Bo Hai sea, serving as the gateway to Beijing..
Geographical Features (Mountains and Rivers):
Coastal Guard Stations and Towns:
The Sea and Islands:
Peach Blossom Island, West Great Mountain, East Great Mountain.