Lightning Arrestor (Rocket Launch Pad and Gantry)
A 7.9 m lightning arrestor for a tank farm or a cart park: a braced steel pole on a concrete footing with insulator rings, an air terminal, an earth box and a downlead to a ground rod, plus a blank warning plate.
- 格式
- GLB
- 文件大小
- 23 KB
- 三角面
- 460
- 许可
- CC0 1.0