This is a 1966 ad for a 3M Microfilm System! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'You're looking at all 320 pages of Scientific American reduced to only 10 feet of 3M microfilm' 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!
