Kunz photo electric cell (1925)

Made:
1925
Kunz photo electric cell (1925)

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Kunz photo electric cell (1925)
Science Museum Group
© The Board of Trustees of the Science Museum

Kunz photo electric cell (1925)

Details

Category:
Electronic Components
Object Number:
1929-551
type:
photo electric cell
credit:
British Talking Pictures Ltd.