Balloon observation, and instructions on the subject of work in the basket · 拾页
SHIYE · PUBLIC DOMAINBalloon observation, and instructions on the subject of work in the basketUnited States. War Department. Division of Military Aeronautics
Balloon observation, and instructions on the subject of work in the basket
United States. War Department. Division of Military Aeronautics
英文收录于 2023-10-23公版作品
《Balloon observation, and instructions on the subject of work in the basket》，United States. War Department. Division of Military Aeronautics。这是一部关于历史、战争、科学的公版作品，适合在安静的片刻里慢慢读下去。