26191
Accession Number
5503
Title Of Article Chaper
Birth and history of the exposure meter
Title Of Journal Book
The photographic journal
Volume
119
Issue
1
Pages
38-39
Collation
Illus.
Language Of Text
English
Literature Type
Serial
Literature Level
Analytic
Abstract
Resumé of a lecture given by the author in September 1978, surveying photographic light measuring devices which appeared between 1839 and 1939. Various actinometers, set-wedge photometers and chemical photometers are described and illustrated. -- AATA
pub_id
26191