Sluice Door The sluice room was surrounded in fine grating. The company would want to finely control when the doors would be opened so the gold could be removed under supervision. No yellow bonus for the working man… Similar Images ...based on the tags: catwalks, doors, grates, pillars, screens, sluice, yellow... Note the wood and rubber wheels on this powder cart. The scale of the grain hoppers helps tell the story of how large Hamm’s was in its day. Taken on a short trip where the whole floor of the roundhouse and engine shop was covered in fresh snow–thanks to the holes in the roof and open windows. This dirt-brick building hasn’t fared well. A sizable crane on the corner of the engine house still swings out. Scrappers infamously gutted the factory, but this one green conduit going from the sintering floor all the way to ground level seems to have been spared. Why the door had to be moved over 2 1/2 feet will remain a mystery. This wide skyway connected two of the inner factory buildings, where parts would have to be transported to keep the operation moving, which is why it is much wider than other bridges in the plant. Between the repair shops and the stock department is this odd little structure. No, the walls are not level–it’s not your eyes. The shops slope left, the structure slopes right.