I had a Mitchell 410 years ago, purchased early 70s, always remember it had a sticker on opposite side to the handle which said high speed 4 to 1.
I suppose it was then, I think most reels were 3 to 1 in those days,
Remember buying one called a Garcia gallion, it had either a nylon or plastic body, one seasons spinning for salmon and sea trout trashed it.
The first proper fixed spool reel I bought was an intrepid elite, that’s quite a while ago now, at the time it was a decent reel.
I also have an Abu Garcia, Cardinal 654 GT, it was Abu attempt at making a bait runner reel, not brilliant, when you turned the handle to disengage the baitrunner it sometimes stuck half way, would be late 70s to early 80s.