Original World War 2 fiberglass industry trade magazine vintage ad for WYANDOTTE CHEMICALS CORPORATION of Wyandotte, MI.  Off to War in Glass Underwear. America's merchant vessels are insulated with this glass fiber.  Light, fire proof.  Wyandotte consolidates the resources and facilities of Michigan Alkali Company and The J.B. Ford Company to better serve the nation's war and post war needs.  Old 1943 WW2 wartime era propaganda magazine advertisement.