Workshop chair or industrial chair

Workshop chair circa 1950. Good general condition, a seam undone on an angle of the seat (quite inconspicuous), the imitation leather seems a little past but is in good condition. The height of the chair and backrest are adjustable. The backrest tilts to rest the back. The metal is a little pricked but will be passed to the steel straw. Minimum seat height: 46cm, maximum: 58cm. Minimum dimensions: 80cm 39cm 49cm (height width depth). Ref 4222.