An instruction booklet for the flash nexposure calculator.
Johnsons of Hendon Ltd.
Category
Photographic technology
Date
1950 - 1955
Materials
Paper
Measurements
125 x 125 mm
Place of origin
Hendon
Collection
Fox Talbot Museum, Wiltshire
NT 1525570.2.2
Summary
An instruction leaflet for the flash exposure calculator. It is a single sheet printed on both sides and headed 'How to use the Johnson Flash Exposure Calculator. There is an appended note in red on GEC and BTH No 3 Flashbulbs.
Provenance
Donated on 1/08/2016 to The Fox Talbot Museum by Mr A E Burch.
Makers and roles
Johnsons of Hendon Ltd. , manufacturer