Gil...I am not a dog that wants to be on the attack, but it is Hazlitts Hotel 1718.
I believe you mentioned that you may have some eng back ground. Check this stuff out... the moldings, floors, walls, doors, windows, ceilings...you are getting the pix.
Ask if you could speak to the bldg engineer...could be fun.
What about HVAC and when was that installed...has he/she ever heard about "Green"? Are they using a MERV system for filtration...bet they know the group that I rep..Camfill-Farr.
We did this with our one and only cruise..Raddison Diamond out of Athens...we asked for the ship's engineer....he took us on a five hour trip through the ship...it was the best part of our sail!!!