1943 Ad WWII Linde Air Sapphire Furnace War Production - ORIGINAL WWII

This is an original 1943 color print ad from The Linde Air Products Company, a unit of Union Carbide and Carbon Corporation of New York. The ad shows a sapphire being made in a specially designed furnace-- sapphire jewels being necessary for the making of bearings for the precision instruments used in battleships, airplanes, and bombers.CONDITIONThis 68+ year old Item is rated Near Mint / Very Fine. No aging. No creases. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Color Grade: Near Mint / Very Fine Dimensions: Approximately 11 x 14 inches; 28 x 36 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation) Keywords specific to this image: Vintage AdvertisingWWIIA2C43