Quote:
Originally Posted by ottoramsaig
This would bring into play the Range Finder, a mechanical gear driven system that superimposed a mirror image of the target you looking at. Rotation of the mirror with a manual hand crank would place the Ghost Image over the target and provide the TC a range + or - 10 meters.
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Reminds me a bit of the Leopard-1A5's range boxes that had to be adjusted around the target image, and by doing so then had precisely measured the range to target.