How The Allies Used Math Against German Tanks

During World War II, Allied forces readily admitted German tanks were superior to their own. The big question for Allied forces, then, was how many tanks Germany was producing. Knowing that would help them counter the threat. Here’s how they reverse-engineered serial numbers to find out.
To solve the problem of determining production numbers, Allied forces [...]

Source: http://www.wired.com/autopia/2010/10/how-the-allies-used-math-against-german-tanks/

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