1924. Washington, D.C. "In recognition of his having conducted the most successful radio exhibition in the U.S., Alfred Stern, director of Washington's first radio exposition, was presented with this elaborate loop antenna by Dr. J. Harris Rogers, famous inventor. It is estimated that 50,000 persons attended this exhibition." Harris & Ewing glass negative. View full size.
  BUY PRINT    1924. Washington, D.C. "In recognition of his having conducted the most successful radio exhibition in the U.S., Alfred Stern, director of Washington's first radio exposition, was presented with this elaborate loop antenna by Dr. J. Harris Rogers, famous inventor. It is estimated that 50,000 persons attended this exhibition." Harris & Ewing glass negative. | Click image for Comments. | Home | Browse All Photos