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USAAF goggle, variable density

USAAF goggle, variable density

Code: G21043

RESERVED

By the American Optical Co.  Green rubber facemask with a rigid plastic frame at the front housing circular lenses.  Each lens is actually comprised of two separate Polaroid lenses, one of which can be rotated over the other using a centrally mounted knob.  The effect of this rotation was to achieve differing degrees of density from clear through a range of pinks/reds and enabled the wearer to track targets in the vicinity of and across the face of the sun.  Used primarily by airgunners.  The facepiece is a little distorted but remains perfectly flexible and strap has lost elasticity but the goggles are generally in very good used condition.   Stock code G20168.