1930s'-50's; Rare Industrial stool, that pivots in all directions. An ingenious, ball axis design; by placing weight of your body in whatever desired direction, while seated, and it's capabilities, while leaning forward, sideways, or backwards. Perfect for hands-free movement, while seated. Stool has ability to adjust from 24" to 32" height. In a heavy duty iron and steel that has been chrome plated to stem or neck of base, with age and wear to chrome plating, with powder-coated black round base, and original black leather, stitched upholstered seat. Can be an artists stool, as I intended, and used all these years while working on paintings. Perfect inclusion, for this eclectic piece of furniture, for that special person who wants something truly unique. Designed and Patented by Charles Meitzlerlt, retains the original metal label; Ritter Manufacturing Company, Rochester, NY. White glove delivery required due to heavy weight.