This brings back many happy memories of crawling through filthy ductwork in search of hidden spaces. I still have a box with rolls and rolls of B/W negatives th

This brings back many happy memories of crawling through filthy ductwork in search of hidden spaces. I still have a box with rolls and rolls of B/W negatives that I shot in '83 to document some of the secret places at MIT. All I need is about 40 hours of free time and I'll scan them all...