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Old April 2nd, 2021, 09:42 PM
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MarkSheppard MarkSheppard is offline
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Default Re: Fun with Numbers


Have some more:


Visual requirements for spotting
Armored Medical Research Laboratory, February 20, 1943

But this is more important:

First AND Second partial reports on Project no. 21, Determination of the sources, magnitude, and costs of gunnery errors
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