Vintage DuPont Pocket Folding Magnifier Film Viewer

Two vintage Du Pont Cronar Film folding magnifiers. The pocket sized folding magnifiers are spring loaded with a clasp closure. On one side of each magnifier it says, "Du Pont, Cronar, graphic arts films. Marked Made in Germany. The tiny magnifiers each measure approximately 1 1/4" square and are in good vintage condition with finish loss.