Melchoir’s Tunnel A tunnel connecting the two larger caves in the hill; those that Jacob vented in the rear. The vents are still extant! Related Similar Images ...based on the tags: carvings, rocks, sandstone, shadows, tunnels... Looking into the tunnel system from below the Women’s Ward. The tunnels were used mostly by staff to move food and laundry. Without proper pressure, the steering engine was ineffective. This floor of the workhouse had corkscrew conveyors–big augers–in the floor to move material around. Most of the walls that were metal were missing, leaving the concrete structure and open doors. Shadows cast by the ropes, counterweights, and backdrops. The curving corridors flanking the Administration Tower are especially ornate, though the prison-like door betrays the real purpose of the building. The rumors were true. Success is sweet. Fantastic brick graffiti piece by a Duluthian in 1933! Is the stick drawing of a horse? Feel free to weigh in. Will coming down “Darwin’s Ladder”. Some parts of the doctor’s apartment in the Administration Tower were decidedly upscale. Look at the beautiful ironwork on that sink!