On Fri, Dec 30, 2016 at 08:54:35PM +1000, ste...@malikoff.com wrote: > Pontus said: > > 2. Rack type, the earlier shorter racks had metal headers without > > rounded corners (see PDP-8/i). Lowboy racks have a slanted header > > with deeper frame. > > > > 3. Intended market. Lab systems was green, industrial was blue/red. (The > > PDP-12 was available in orange, blue and green) > > Here's a photo of an interesting example of (I presume) #2 for a > PDP-15 in a japanese computer museum.
Yes, but it is the taller racks. I had only seen the metal header on the PDP-12 and our 8/I with earlier lower racks. Very nice picture though. /P