Small decorative piece of furniture in the shape of an hourglass

Small piece of furniture (selette), in the shape of an hourglass, made by a cabinetmaker, Made with 2 glass carboys of different colors, in exotic wood (niangon) With small net inlaid in the 3 balusters. Containing sand and turning it over, the sand flows for about 35 minutes.

Ref. : HJ6KE9DS