Abstract
A description is given of a portable colour-corrected photoelectric photometer suitable for the testing of reflective surfaces as used on road signs, and of individual retro-reflectors. The reflexion factors obtained with it agree reasonably well with those obtained at 0.5° divergence by other methods.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.