TY  - JOUR
PY  - 1951//
TI  - Photometric Tests for Reflective Materials
JO  - Highway Research Board bulletin
A1  - Pocock, B. W.
A1  - Rhodes, C. C.
SP  - 40
EP  - 54
VL  - 34
IS  - 
N2  - Photometric tests developed and now in use by the Michigan State Highway Department for reflectivity measurements and color determinations on reflex reflectors and diffuse reflecting materials are described. Detailed accounts of equipment and procedures used in both tests are accompanied by examples of data obtained and methods of computation. Some fundamental physical concepts and the significance of measurements are discussed briefly and several useful and interesting applications of the data are pointed out. Included are also photographs illustrating the apparatus now in use by the department.<p />
LA  - en
SN  - 0073-2206
UR  - http://dx.doi.org/
ID  - ref1
ER  -