Personnel access shaft cutaway (Cold War Missile Silo and Command Bunker)
An 8.6 m cutaway personnel shaft: a concrete shaft with a steel liner, two grating landings with handrails, a caged ladder run, a cable tray, a floor grating at the bottom and a collar with a hinged hatch at grade.
- 格式
- GLB
- 文件大小
- 122 KB
- 三角面
- 2,532
- 许可
- CC0 1.0