October 1922. New York. "Kopp" is all it says on this glass negative depicting a pair of kettledrums next to what might be a speaker horn or a mega-microphone. Bain News Service. View full size.
  BUY PRINT    October 1922. New York. "Kopp" is all it says on this glass negative depicting a pair of kettledrums next to what might be a speaker horn or a mega-microphone. Bain News Service. | Click image for Comments. | Home | Browse All Photos