A Johnaon Artificial Light Exposure Calculator with instructions and original envelope
Johnsons of Hendon Ltd.
Category
Photographic technology
Date
1950 - 1955
Materials
Measurements
77 x 77 x 3 mm
Place of origin
Hendon
Collection
Fox Talbot Museum, Wiltshire
NT 1525570.3
Summary
A Johnson Artificial Light Exposure Calculator with instructions and original envelope.
Makers and roles
Johnsons of Hendon Ltd. , manufacturer