https://www.allaboutastro.com/sliderules.html
I'm not sure why it took me so long to get it? As a math teacher, you'd think that math-related gizmos would resonate with my inner being, but it wasn't until...
slide rulesjayastrocom
https://sites.google.com/site/nwayneharrison/home-1/items-from-my-collection/unusual-slide-rules
I'm using this section for items from my collection that I think novel for one reason or another. A couple of the slide rules in this section are genuinely...
wayne harrisonslide rulesunusual