C:\WINDOWS\Media\onestop.mid
A view through the Mark III Free Gun Reflector Sight, first produced in 1943, used on army guns, naval guns, and as a pilot sight and a defensive gun sight on aircraft. Reticle image in this sight is produced by an optical collimator bounced off a beam splitter. The dot remains on the target even though the viewer’s head is moved side to side.

A view through the Mark III Free Gun Reflector Sight, first produced in 1943, used on army guns, naval guns, and as a pilot sight and a defensive gun sight on aircraft. Reticle image in this sight is produced by an optical collimator bounced off a beam splitter. The dot remains on the target even though the viewer’s head is moved side to side.

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