On Thu, 9 Aug 2007, Al Kossow wrote: Thanks, Al. It looked like an Ampex drive, with the triangular vacuum columns on either side. For the member who asked, yes it was a Columbo episode, "A Deadly State of Mind" from 04/27/1975. While it is certainly a Hollywood set and not a real machine room, the equipment appears to be genuine, albeit modified. The SAGE DMC section has had the neon lamps replaced with incandescant bulbs, more incandescant bulbs replacing coaxial jacks, and numerous other alterations. I have hundreds of pictures of similar SAGE equipment: http://sturgeon.css.psu.edu/~mloewen/Q7/ Mike Loewen mloewen at cpumagic.scol.pa.us Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/