Original vintage broadcasting trade magazine ad for KDAL-TV Channel 3 , A WGN Station.  Tribune Press Room?  It's The Northwest Paper Company's new coating machine at the Brainerd Mill near Duluth, MN.  Brainerd families watch KDAL TV via their community antenna, one of 30 that extend Channel 3 coverage in the busy Duluth Superior Market. Channel 3 and KDAL Radio are represented by Edward Petry and Company, Inc., and in Minneapolis St. Paul by Harry S. Hyett Company.  Old 1965 television broadcasting   advertisement.