Chute Fourteen On first impression it might look like a funky mailbox, but trust me on this one; it’s a flour bolter chute. In flour milling, “bolting” means sifting the flour through successively smaller screens. Similar Images ...based on the tags: blue, chutes, levers, numbers... Much of the milling equipment predated the mill itself, so I would not be surprised if this particular machine really dates to 1860. Peering into a remote office at Manitoba Wheat Pool #3. Someone left their to-do list behind. Power-up to cool down… would have been nice on the hot day I climbed on top of this machine. Typical bunk rooms in MS-20. The steam plant could be vertically traversed with this one-man belt driven elevator. The elevator near the offices seemed a day’s work away from being operational A burned and rusted control panel in the corner of the new hoist room. Leather shoes in a supply closet. They seem to me men’s shoes. The old way to get to the elevator from the mill.