This listing is for a vintage paper advertisement. This is a 1965 ad for a Allis-Chalmers 2-kw 28-Volt Fuel Cell! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'Fuel cell A-OK after 1800 hours running time' 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!