RCA 77-D Ribbon Microphone #1930 (Vintage) - Vintage King
PropRentalsNY.com - Long Island And New York's Best Source For Props!
Microphone, CHNC Radio Station - 1930s | 100objects
Marconi-Reisz Carbon Microphone (circa 1930) Just the job for a Kings Speech or two! Also very popular with other personalities of 1930's European showbiz! | Martin Mitchell's Microphones