The upright of a sash window is called a stile. There is a diagram showing this and the other names of parts of a sash window at `Windows - Window Sash' http://www.inquirewithin.biz/windows/window_sash.htm.
In a sash window, the window panels open by sliding up and down in vertical grooves, possibly aided by a system of cords and balanced weights. The sash is made of window panes and their border.
From the French word châssis "frame"
pocket windowI belive what you describe is also called a barn sash. That being where they are most often used. One window sash, a sash being one window, most house windows have 2 sash, upper and lower, one sash that either raises, or slides in the wall of a building.
A window sash on hinges
A wooden sash window is subject to harsh conditions and requires a high level of skill to make and to fit to the frame. There are a number of diagrams and a description of window sash and how to fit them in the Audels Builders and Carpenters guide.
Located on the upright side of a window frame, the term casement refers to a window sash opening on hinges. This can also be called a casement window. Before the sash window was introduced, the casement window was the most common house window in the UK.
If it is a sash-window, the ropes which have a weight on one end, and the other end is attached to the window frame (on both sides) has snapped. Once the ropes have snapped, the weight of the window will cause it to fall down. If it is a sash-window, search the internet for repairing a 'sash-window' or contact a local builder/handyman.
if just say the side of the sash is 42inch you need a 41inch spring, tell the shop or dealer if it is for a single or double glaze window
At the Pontiac dealership or eBay just type in Pontiac sash
The bottom wooden part of the window. In this case, the 'sash' is any kind of covering for windows. It could be shutters, a shade, blinds, whatever. Or it could be that the narrator "opened the window".
the answer to this one is easy, you don't. GM makes you purchase he entire window regulator for a few hundred bucks. Not exactly. You can order the guide clips and sash clips at rockauto.com. For four sash clips and two guide clips its approx. 33 dollars. That's quite a price difference.