This is a 1943 ad for a Raytheon Voltage Stabilizer: Cased Model, Endbell Model! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'Raytheon Voltage stablilizers accurately control fluctuating voltage' The ad is in good overall condition, with some light wear. This vintage ad would look great framed and displayed! Add it to your collection today!