MIL-C-14806A, MILITARY SPECIFICATION: COATING, REFLECTION REDUCING, FOR INSTRUMENT COVER GLASSES AND LIGHTING WEDGES (12 JUN 1969)

MIL-C-14806A, MILITARY SPECIFICATION: COATING, REFLECTION REDUCING, FOR INSTRUMENT COVER GLASSES AND LIGHTING WEDGES (12 JUN 1969)., This specification covers reflection reducing coatings applied to substrate material having indices of refraction within the range of 1.47 to 1.55 to be used as instrument cover glasses and lighting wedges herein referred to as optical elements.