Danish Sculptural 3-Legged Wood Bar/Desk Swivel Stool with Leather Seat 1920s

Danish tripod adjustable bar stool/desk stool/swivel stool made of solid oak with round seat mounted with cognac coloured leather with brass nails.
Made ca 1920s by a Danish cabinetmaker (Fritz Hansen)
It's possible to adjust the height of the chair by turning it upside down.
Make the adjustment underneath the seat by lifting the wooden frame  a little and turning the metal device.

Diameter 39 cm
Height 78-71 cm

Nice vintage condition with good patina