Folding Lamp Shelf for Pianos.

Patent for a new and improved lamp shelf for pianos. This design "consists in an arm pivoted to the back of a music-rack and carrying a lamp-shelf, the arm being arranged to swing outward into a horizontal position, and the shelf being connected with the end of the arm by a pivotal connection, which permits of turning it outward and downward into a horizontal position in front of the plane of the music-rack" (lines 22-30)