What are those things called that you can find in public places that pull doors closed slowly and quietly?
Hydraulic arm
Hydraulic door closer would be a more specific designation
A good bit of info on selecting one on McMaster-carr’s site: http://www.mcmaster.com/#about-door-closers/=xexra
a ghost? :-p
I KNOW THIS ONE!!! A DOORMAN!!! (right?)
@Mr_M Doorman tend to at least say “hello” or “good evening”, that’s not entirely quietly…