Awning operator replacement

I hope to attach pictures of windows in a house I bought 2 months ago and moved into just before Thanksgiving. The house was built in l952 but I doubt all the windows are that old. There are 3 crank-windows in the living/family room. They "looked" good when I bought the place but I have learned the cranks are shot on two of them. The windows might be Caradcos as are others in the house, but I can't find any identifying info on them.

Anyway, I am pretty sure I need 2 cranks, at least. Brand doesn't matter. As you probably already can tell, the windows