Detrola (International Detrola Corp) was a radio and record-player manufacturer, based at 1501 Beard Street, Detroit, Michigan. In addition to the Detrola brand, they also built large amounts of radios sold under dozens of private brand names for large retailers and small independent stores. They also made a few cameras, over a very short period - 1939-40. Read more about Detrola at Camerapedia