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1. A GLOSSARY FOR COLOR AERIAL RECONNAISSANCE

   intensities and colors of illumina- tion. A part of the spectrum (usually infrared, visible, and ultra- See ... or ultra-wide angle-- Greater than 1000 0 ANGSTROM UNIT (A) [4] An old unit of measure for the wavelength ... proportion of ultra- violet light. The ultraviolet light admittance at 29.92 inches of mercury (sea-level) ...