Hi Pontus,
I could be missing something here but I believe the "UND.LAB.INC.LIST"
is a US safety mark for "Underwriters Laboratory Inc., Listed" also
known as "UL Listed" here in the US.
Todd
* Pontus <pontus at update.uu.se> [140821 15:16]:
Hi
I'm restoring a MicroPDP-11/73. I've made some initial notes here:
http://www.pdp8.se/pdp1173_restore.shtml
The ON/OFF rocker switch is broken. Three small plastic teeth that hold
the springs in place have broken of and a forth is cracked and will soon
break. I've tried three different kinds of glue without a getting a
strong enough bond. I will make another attempt with a fourth kind.
But, I wonder if these are available somewhere? The only marking I've
found is "UND.LAB.INC.LIST" which seems to be a brand with several
different kinds of rockers, some available but not the one used on this
MicroPDP-11. By the looks of it, the same switch is used on MicroVAX. In
the meantime I will probably take one from a spare machine.
I'm borrowing a picture from the net here, but it is like the switch
labled "1 0" here:
https://www.codehosting.net/blog/images/pdp/frontpanel.jpg
/P