National Stock Number:
6640-15-191-0311
Federal Supply Class:
6640
National Item Identification Number:
151910311
Description:
REFRACTOMETER
Detail:
AN INSTRUMENT FOR DETERMINING THE REFRACTIVE INDEX OF A SUBSTANCE, BY MEANS OF A RAY OF LIGHT PASSING OBLIQUELY FROM ONE MEDIUM INTO ANOTHER OF DIFFERENT DENSITY, OR BY THE CHANGE IN DIRECTION OF THE FLOW OF AN ELECTRIC CURRENT WHEN IT PASSES FROM ONE MEDIUM TO ANOTHER OF DIFFERENT CONDUCTIVITY OR OF OTHER DIFFERING ELECTRIC QUALITIES. EXCLUDES SPECTROSCOPE (AS MODIFIED).
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