Hun, I mentioned that the Size was a 36, so it's pretty much dependant as to your own body parts as to how that works for you. I think it fits a bit smaller than today's 36, though ;0)
I think you can directly correlate your bra size to it. So if you wear a38, for example, it will be too tight. Some C or D Cups of 36 might also be too tight. Ladies were built a bit differently back then ;0)