What's on the workbench?

Woah is that a 1590a with no side jacks? What is the witchcraft?

It's a tone generator so it only has a single top-mounted output jack... but it does have an internal 9V battery.

There's a pic of the previous revision (before switching to a sub-mini power switch) here:
 
When you’ve been doing it as long as some of us (over 40yrs myself), not only do you know the CC, you also know the CC of the more common resistors on sight! The 5 band/1% resistors still throw me though since I spent the majority of my life working with carbon comp and carbon film types.
I've only been at it for a little over a year, but I'm getting better at sight reading them. Sometimes I'll pull up troubleshooting threads and try and spot the mistakes for practice.

I have the opposite problem. All my practice is on 5 band. I've been working on some vintage equipment lately and I'm totally confused by the bands.
 
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