Rodney, those windows are between the workroom and the display room. The workroom has no window, so this helps let in light and can also be used to assist with ventilation. The workroom will have an exhaust fan vented to the side (DH does not like holes in the roof). Both rooms will have ceiling fans installed, but they won't have lights on them.
Back to those old windows, not quite antique as the house they came out of was built in the 1920's. They are the two side windows of a three window set of piano windows in the house I grew up in.
Here is an old picture showing the window in the background. This is some of siblings and cousins for my 4th birthday.
