FED-STD-370, FEDERAL TEST METHOD STANDARD: INSTRUMENTAL PHOT0METRIC MEASUREMENTS OF RETROREFLECTIVE MATERIALS AND RETROFEFLECTIVE DEVICES (01 MAR 1977)
FED-STD-370, FEDERAL TEST METHOD STANDARD: INSTRUMENTAL PHOT0METRIC MEASUREMENTS OF RETROREFLECTIVE MATERIALS AND RETROFEFLECTIVE DEVICES (01 MAR 1977)., This standard covers procedures for instrumental determinations of photometric characteristics of retroreflective materials and retroreflective devices.