US3460893 Apparatus for analyzing a continuously moving strip by means of attenuated total reflection
Cited prior art · Paul A Wilks Jr · Wilks Scientific Corp · United States · 1969
edge 71 and is 28 mounted in supporting means 29 and 30. 75 received by a spectrophotometer 72. Page 5 Referring to FIG. 10, the elements are similar to the from