Avo exposure meter ever ready case
Avo exposure meter ever ready case. The Automatic Coil Winding and Electrical Equipment Co. Ltd.
- Object Number:
- 1990-5036/2606/1
- type:
- case
Photoelectric exposure meter of single range. With calculating ring, bearing aperture (f1-32) and H & D 200-5000 scales coupled to moving pointer, for alignment with meter needle. Exposure time scale 60 secs - 1/2000 sec. Prov. Patent. The Automatic Coil Winding and Electrical Equipment Co. Ltd.
Avo exposure meter ever ready case. The Automatic Coil Winding and Electrical Equipment Co. Ltd.