This is a 1929 ad for a Acousti-Celotex featuring auditoriums of the Kenton School, Portsmouth School, Duniway School and Music room of Llewellyn School in Portland, Oregon! The size of the ad is approximately 10x13.5inches. The caption for this ad is 'Every spoken word... Every musical note... Clear and distinct' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collecction today!