Portable brass tapestry or needlework bracket

Portable brass tapestry or needlework banner bracket. Heavy cast brass with G-clamp for attaching to say a shelf or mantelpiece. Extends with two arms one of which has patent action for adjusting the height to bar with rings for suspending a banner or needlework.
English, circa 1850 - 1890
Bar Width 20” (53cm) Two Arms, one 9” (23cm), one 10” (26cm)