A device to facilitate the moving of heavy books, or other articles, on a desk or table

摘要

191,913. Bailey, R. N. A. Dec. 5,1921. Desks &c.-A device for facilitating the movement of a book or other article on a desk or table comprises a board or plate 1 with two or more parallel rods 2 on the underside, and rollers 3 which are shorter than the rods 2 so that the device can be moved at right angles to the rods and also to a limited extent parallel thereto. I