Arthur James Dalladay was born on December 1894 in
West Ham
West Ham is an area in East London, located east of Charing Cross in the west of the modern London Borough of Newham.
The area, which lies immediately to the north of the River Thames and east of the River Lea, was originally an ancient ...
in
Essex
Essex () is a county in the East of England. One of the home counties, it borders Suffolk and Cambridgeshire to the north, the North Sea to the east, Hertfordshire to the west, Kent across the estuary of the River Thames to the south, and Grea ...
in England. He died in 1989 in
Gravesend, Kent. Dalladay was the editor of the "British Journal Photographic Almanac & Photographer's Daily Companion" for 30 years from around 1937 to 1967.
He built the very first
photographic spot meter in about 1935; he described it in the BJP Almanac of 1937 on pages 127-138. This meter still exists, in the possession of a subsequent editor of the Journal. Within a decade or so, there appeared two commercial meters based on the same principle.
Publications
* The British Journal Photographic Almanac and Photographers' Daily Companion. Published by Henry Greenwood, London, 1953
References
External links
The SEI Photometer: A Legend Among Spot MetersSome measurements of the stresses produced at the surfaces of glass by grinding with loose abrasives
1894 births
1989 deaths
British editors
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