Aerial Monorail I like to think of this as the hardware abstraction layer. It’s one of many subassembly monorail conveyors that dipped onto the factory floor to deliver assembled subsections where they needed to be on the main assembly floor below. Related Similar Images ...based on the tags: assembly-lines, cables, catwalks, machinery... These machines had embossed metal numbers marking their ends. This machine was last overhauled in February 1955, and last turned out Crepe silk, probably dress material. A dead belt-o-vator. A 24-hour clock that reeks of the 1970s. A ladder stenciled “LTV”–the failed steel company that built this dock. There is more, if you look closer. The workshop sat below the main working floor and had serious power going to it. There’s concrete under that dirt… under that water… somewhere. The end of the dock disappears in the fog. This sea leg was installed to unload grain boats. It’s pretty much a big bucket elevator that can be moved and lowered into waiting boats. Equipment that did not sell at auction.