Battery Test Points

Oh No !  What's this on the right ?:




Two empty holes have appeared since yesterday:

https://wb9kzy.blogspot.com/2025/01/hp-fanciness-aka-hp-16058a.html

Decided to liberate two of the pin jacks from the HP 16058a.  Here they are:




And in action:



Later I put some heat shrink over the positive terminal to prevent accidental contact.  

BTW, I did price pin jacks (which I may still buy in the future)  they are over $1 each so my purchase of the HP 16058a in 1991 has been more than justified !



Best Regards,
Chuck, WB9KZY
http://wb9kzy.com/ham.htm