tub and shower stem

Hi all. I’ve got a really old two handle Chicago faucet shower setup. It has slow drip from spout so I was going to take out stem to see if i could replace it. I got the handle and packing nut off as well as a washer. What’s the next step to getting this off. I’m sort of stuck. I’d really...

Good Evening, I’m trying to update the hardware in my tub/shower combo. (The house was built in 1952). It has a 3-valve compression diverter stem. I figure/know that the only way to use newer hardware would be with the use of an adapter. I’m not sure if that is a thing as google can be quite...