Marylebone Antiques has dated this piece to the Victorian era.
Please enlarge all the images to see up close all the features. There are various ebonised sections & if you enlarge you will see them all.

I think the spinning section is designed for books. It has a central turned baluster pedestal which ends with the original finial below the tripod legs. The spinning three prong section has a very decorative gallery.
Width – 22 inches, 56 cm
Depth – 22 inches, 56 cm
Height – 27 inches, 69 cm
Marylebone Antiques has dated this piece to the Victorian era.
Specialist in english, french and swedish antique furniture & decorative items circa 1750-1950s.
You can view the stock and full dealer information on the Marylebone Antiques Profile Page