From The Indianapolis Star , Sunday, September 27, 1925:  The first Indianapolis radio exposition signed off last night after a successful week.  More than 45,000 visitors ambled about the exhibit booths at Cadle Tabernacle since the doors opened Monday evening.  Herbert Luckey, president of the Broadcast Listeners Association, said exhibitors transacted over $100,000 ( 2024 :  $1,826,571) in radio business during the show.  While Jerry Peter, a representative of the Radio Co