Johnny the best espresso that I ever drank was a guy I worked with at that place you know on a night shift, (sad) not with us anymore.
He use to make it on the landing working on the cranes in the Caster, BOF, made it in a thing that screwed together, I guess called a espresso pot.
Man was it ever good, he told me it was his blend, made from a few different coffees he made at home.
Tiny cup, but man, you didn't need much to keep you awake. Was a great Italian friend, passed to young