Abstract: A display frame having a transparent viewing area comprising a face plate and a back plate provided with a tongue and groove engagement when assembled, adhesive material in the groove whereby to form a sealed chamber within which a picture and/or indicia are displayed, and a desiccant material in communication with the sealed chamber, thereby providing indefinite protection against moisture and dust.

Abstract: An adjustable sill and threshold assembly for a door in which a stationary sill base is provided with a longitudinally upwardly opening groove therein and in which a threshold is received in the groove and adapted for adjustable vertical movement therein, including a plurality of generally vertically extending longitudinally spaced adjusting screws which are rotatably captured in the threshold and extending in depending relation, and which are adjustable through apertures in the threshold, and a plurality of sheet metal channel-shaped screw retainer nuts are received and located in the base corresponding to the spacing of the screws and having an aperture for receiving one of said screws therein so that rotation of the screws causes a raising or lowering movement of the threshold.