Great vintage optical stool circa 1918. It is signed “Shur-on Genothalmic” This is adjustable and swivels. Height varies from 18” to 30”. Base is 13” in diameter and stool top is 14”. Retrieved from an old house in Warren Ohio that had been turned in an optometrist office from 1918-89. We salvaged the house and came across this and a telescoping table we have in another listing. We are B&R Salvage of Youngstown Ohio and have been saving this beautiful pcs of the past for over 30 years. Please ask any and all questions before purchase.