Narrow Lock Chamber (Canal Boats and Lock Operations)
Sixteen-metre chamber with thick bed and masonry sidewalls; water at fixed lower-pound level. Upper interface meets raised cill, not a floating sheet.
- 格式
- GLB
- 文件大小
- 182 KB
- 三角面
- 11,016
- 许可
- CC0 1.0
Sixteen-metre chamber with thick bed and masonry sidewalls; water at fixed lower-pound level. Upper interface meets raised cill, not a floating sheet.