Avocado 1970s Adjustable Office, School, Shop Teacher, or Architect Chair, Rolls

True relic from the 1970s in awesome condition--industrial midcentury modern style; fully adjusts to change both the seat height and back support. Original nubby avocado fabric in great condition. Metal legs are the original "military green" and castors are intact and work well. The seat swivels. The minimum height of the seat back is 36 inches; the seat is 16 inches wide and 12 inches deep. Seat height (adjustable) is in the range of 22 inches.