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Baltimore Gun Club is a weapon-enthusiastic organisation and attempted to build an enormous sky-facing Columbiad space gun, which can launch three people in a projectile to land on the Moon.
Baltimore Gun Club is a weapon-enthusiastic organisation and attempted to build an enormous sky-facing Columbiad space gun, which can launch three people in a projectile to land on the Moon.
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關鍵字詞： space gun | Moon | adventure | 免費電子書 | Free eBook