rare and hard to find adjustable "sit-rite" chair or stool comprised of a heavy gauge angled steel base member containing vertically spaced holes used in conjunction with adjustable upright standards having a vertical series of holes adapted to be aligned with the pre-drilled holes in the four-legged base. the u-shaped clamps are adapted to be inserted through the aligned holes of the base, with one arm being threaded and provided with a clamping nut, and the other, being angled to clamp the parts together with a camming action when the threaded ends are clamped by the nut. the angled steel outswept legs are supported by inward folded steel shoes. the spacious saddle seat and slightly contoured backrest are comprised of solid maple wood. the highly unique welded joint folded furniture sheet steel bookshelf is original to the stool. the metal components were carefully cleaned, brushed and treated with a clear coat protective lacquer. the stool was designed, patented and fabricated by the edward l. koenig & co., chicago, il. manufacturer markings are stamped on the underside of the seat.