1940 Press Photo Virginia Latimer and Bill Norris NBC

Caption: Broadcasting isn't simply a matter of speaking into a microphone but calls for frequent checks to make certain that everything is working properly.Here Virginia Latimer and Bill Norris of the National Broadcasting Company's staff at the Democratic National Convention in Chicago are making a test of facilities in the NBC booth in Chicago Stadium, control point for the convention broadcasts. Judging from the smile, all's well.

The front and back of this photograph are pictured below: