This is How Mail Was Processed Back in 1970 Not sure why I was able to watch this whole video, I don’t feel any smarter or any better…but I loved it. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Flesh-Detecting Saw Instantly Retracts the Blade to Prevent Injury This Machine Has 44 Million Horsepower 100 Year Old Self-Playing Violin – “The Eighth Wonder Of the World” This Smart Tool Will Turn Any Idiot Into a Sculptor Laser Rifle That Can Cut Through Metal Machine prints metal midair
