The product is an Eveready Batteries Catalog from the 1960s, featuring the tagline "Power To Spare." This vintage catalog most likely includes information on the range of batteries offered by Eveready during that time period, possibly showcasing their technology and applications. Manufactured in the United States by Eveready, which was a well-known brand under Union Carbide, the catalog may serve as a nostalgic and informative piece for collectors or enthusiasts interested in vintage electronics and battery technology.