Accession Number : AD0105739

Title :   ON THE DETECTION OF SMALL OPTICAL DENSITY CHANGES

Corporate Author : PENNSYLVANIA UNIV PHILADELPHIA JOHNSON RESEARCH FOUNDATION

Personal Author(s) : KILPATRICK, DAVID G.

Report Date : 15 JUN 1956

Pagination or Media Count : 1

Descriptors :   *LIGHT, *SPECTROPHOTOMETERS, SOURCES.

Distribution Statement : APPROVED FOR PUBLIC RELEASE