A Simpson 715 AC VTVM

https://wereboar.com/projects/index.php/2025/02/04/a-simpson-715-ac-vtvm/

I was given this Simpson 715 AC VTVM in a box of junk. When I took a look at it, it seemed like it would be somewhat difficult to repair, but I found that it had something unusual about it. Check that out on my project page.