In the well and pump room, there is a what appears to be a sidewalk-style skylight at the back of the room, which is covered by concrete on the outside now. External fire damage in 1945 probably damaged the glass.
This bricked in space behind heavy steel doors is a mystery to everyone I've spoken with. The evident haste with which the bricks have been put in adds to the mystery....
For more details on the Okuno Building, click here.
Lyle (Hiroshi) Saxon