The Antique Partnership has dated this piece to the 19th Century.
The top does adjust upwards a few inches and does rotate. There is a brass collar and adjusting screw mechanism at thre top of the column.
The top 34.5 by 34.5
Stands 77.5 high.
The Antique Partnership has dated this piece to the 19th Century.
You can view the stock and full dealer information on the The Antique Partnership Profile Page