Inspection of the relay showed that one of the contacts was bad. You can see a lump on the center contact where the contact metal has been transferred from the lower to upper contact. I purchased a new old stock relay to replace it.
Feel free to contact me, David Gesswein djg@pdp8online.com
with any questions, comments on the web site, or if you have related equipment,
documentation, software etc. you are willing to part with. I am
interested in anything PDP-8
related, computers, peripherals used with them, DEC or third party, or
documentation.