Antique Oak Revolving Bookcase with Reference shelf – Danner

Antique Oak Revolving Bookcase in very good condition. This has an adjustable drop down reference shelf on the side. This bookcase measures 22 1/2″ by 20″ and stands 51 1/2″ high. The writing or reference board measures 16 1/2″ x 14″. There is a Danner mark on the underside of the shelf. Circa 1900.