American office armchair with screws, solid oak, 1925/1930

Remarkable and original american type screw office chair, from 1920/1930, in solid oak. Sitting in the saddle, full oak and nicely patinated. Rear grille with 9 bars. It is adjustable in height, between 44 cm and 68 cm, by a screw system that has absolutely no clearance. It is "rocking" with a dial system that regulates the hardness of the tilt. Dimensions: total width: 53 cm- inner width: 48 cm, depth: 40 cm height: variable. More photos and information on request. Shipping france and europe, alsace pickup possible.