@Nancy Hart, we still have a couple of old businesses in town with signs similar to this one in New Orleans. The signs make people chuckle these days but I remember a few indignant protests over them in the 70's.
I know the place, the Peterboro Diner, have eaten there a few times. I really love diners. If I'm in doubt about the food quality, I order Breakfasts, no matter the time of day, as it is usually hard to get that wrong. Thanks for the pic, Nancy! I loved living in New Hampshire!
There were also quite a few places in New Orleans (my home) where true ladies were not allowed to enter. Such places often had a terrazzo trough in front of the bar whereby men could drink and uh...relieve themselves with no interruptions. The wharf had quite a few but are gone now but there are a couple of places on Royal and Bourbon which still have the old bars with the terrazzo fronts complete with the trough which obviously isn’t used any longer. In other places, ladies were not allowed to go to the bar but had to sit at a table and be waited upon. In such places, gentlemen could smoke at a separate bar but it was considered brutish to smoke whilst sitting and dining with a lady.