Brush ribbon microphone us patents 1764088

Brush ribbon microphone us patents 1764088, 1892782, 1802375, 1906757, 1906758 No. 215. Falt pin connector into base with fittin screw and screened lead. Brish Development Company.

Details

Category:
Cinematography
Collection:
Kodak Collection
Object Number:
1990-5036/3463
type:
microphone
credit:
The Kodak Collection at the National Media Museum, Bradford