This is a "glass on glass" application.  No windows need be removed. 
 This is a wonderful alternative to classic stained glass windows.

 This is a "glass on glass" application and is adaptable to almost any size
 window.  This type of installation offers you the privacy you require without
 blocking all the light.  The design can easily be created to match or
 compliment your decor. The window in this example is 31" x 38" with the
 privacy glass measuring 31" x 19".

 Sconces

 Varying in size from 13" x 22" to 9" x 13".