Posted by SelkirkTMO on Tue Mar 20 16:27:48 2001, in response to Re: Best peice of NYC subway equipment, posted by Steve B-8AVEXP on Tue Mar 20 11:41:35 2001.
"Precipitrons" ...
People were insanely "health conscious" at the time, so any FDA unapproved gimmicks were a major PR coup to the subways. :)