Vintage SEI (Salford Electrical Instruments) Exposure Photometer a very early photographic exposure meter from c.1948. JMH5168

- Image ID: C6FA46
John Henshall / Alamy Stock Photo
Image ID: C6FA46
Vintage SEI (Salford Electrical Instruments) Exposure Photometer a very early photographic exposure meter from c.1948.
Location: Oxfordshire, England, UK.