Scotchlite definitions

Scotchlite

(from the article `motion-picture technology`) ...is angled at 45 degrees between camera and projector; the camera photographs the scene through the glass while the mirror particles reflect the ...
Found on http://www.britannica.com/eb/a-z/s/49

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Scotchlite

Made by 3M. A Reflective material.
Found on https://www.encyclo.co.uk/local/23307

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