Solid Oak Revolving Danner Bookcase is in very good condtion. On one shelf there is a stenciled mark that reads: Danners Revolving Bookcases Patented May 16, 1876, Feb. 20 & Dec 11, 1877. John Danner Mfg. Canton Ohio. A very desirable size that will fit anywhere. Measures 16″ x 16″ and 36 1/2″ Height.