On Fri, Dec 30, 2016 at 08:54:35PM +1000, steven at
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