Treatise on Armament Technology, Volume 134

original: 武備志 (Wubei Zhi). Compiled in 1621, this is the most comprehensive military encyclopedia of the Ming Dynasty.

Compiled by Mao Yuanyi original: 防風茅元儀輯. Mao Yuanyi (1594–1640) was a renowned military scholar. "Fangfeng" refers to a mountain in his home region of Zhejiang, often used as a literary prefix to his name.

Military Equipment Series

Junzi Cheng (軍資乘) The section of the treatise dedicated to the "logistics of victory," covering everything from weapons manufacture to transport and supplies.

Fire Weapons, Part 16

This sub-series focuses on gunpowder-based technology, which the Ming military utilized extensively.

Diagrams and Descriptions of Fire Weapons, Part 13

The Ground Lurker
original: 地伏 (difu). A concealed explosive device or trap designed to be buried and triggered when an enemy passes over.

Linked Landmine Batteries
original: 地雷連砲 (dilei lianpao). A sophisticated system of multiple landmines connected by a single fuse or trigger mechanism to create a "curtain" of explosions.

Combined Strike Cannons
original: 合打砲 (hedapao). Artillery pieces designed to be fired in unison or a multi-barreled device used for concentrated area-of-effect damage.

Landmine Exploding Tubes
original: 地雷炸管 (dilei zhaguan). Likely referring to the ignition assemblies or small-form tubular mines used for precision demolition.