This listing is for a vintage paper advertisement. This is a 1965 2-page ad for a Hewlett-Packard Quartz Crystal Thermometer! The size of the ad is approximately 11x17inches. The caption for this ad is 'First major advance in Thermometry since 1887 - From Hewlett-Packard' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!