This is an Astatic dynamic/moving coil microphone with an omni-directional polar response and an unknown date of manufacture. In this image, it is the microphone on the left.
This is an Astatic dynamic/moving coil microphone with an omni-directional polar response and an unknown date of manufacture. In this image, it is the microphone on the right.
Book containing a variety of scans and photos related to microphones throughout history. This book was actually given directly to Mr. Steele from Bob Paquette.