Window Frame.
Description:
Patent for a new and improved window frame. This design "has for its objects to provide an improved means for holding the sash of a window in any position to which it may be elevated, and at the same time permit the sash to be readily moved up or down" (lines 11-15).
Date:
February 21, 1882
Creator:
Sturm, William
Partner:
UNT Libraries Government Documents Department