Original World War 2 aircraft controls industry trade magazine vintage ad for THE FULTON SYLPHON COMPANY of Knoxville, TN.  We're Helping to Pass the Ammunition.  Producing shell casing on specially developed machinery with the accumulated skill of many years of research and experience in the forming of metal used in the manufacture of Sylphon Bellows and other products, the Fulton Sylphon Company is especially qualified to help pass the ammunition to the boys we are so prod of on the firing line.  Old 1943 WW2 era propaganda magazine advertisement.