Adjustable stool by Campbell Corporation, c.1990s, Rockford, Illinois. This industrial stool was used at the Campbell Corporation Headquarters Biotech Labs. The stool features a round wood seat and patinated tripod metal base. The seat height is adjustable as high as 29" and low as 14". Marked [Campbell Corp - Rockford Illinois] on underside of seat. Dimensions: 16" width x 16" depth x 20" height; 14" seat diameter, adjustable to 29" seat height. Condition: Good vintage condition; age appropriate wear and patina.