As a year round Como resident, perhaps you can tell us, from what directions do the prevailing winds sweep across Como in the winter? Was the roundhouse located such that the solid back wall faced the brunt of the occasionally severe winter blizzards, to protect the doors (in the lee of the winds) from accumulating snow?
That's the only explanation that I can think of for the round house to face away from the town, railroad yards and water tank.
Likely incorrect, but what the hey! I've always wondered about this too.
Jim
Jim Courtney
Poulsbo, WA