I don't know why but I can't stop laughing.
I didn't know what a DEC PDP-12 was so I looked it up:
They had a polarized plastic cover that went over the face of the CRT, so it all blended into the trim in a very snazzy way.
Also, the one I'm talking about had two bays to the right of the section shown in that picture. It cost almost $50K new, although I guess it had some extras.
I know it had 4096 words of core memory. The words were 12 bits long too, plus a parity bit.
Hey, as a kid I was deprived ‘cause my parents didn’t put a computer in my bedroom and they sure as heck wouldn’t let me connect to the ‘net.