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 Powerful drill turns metal into molten metal as it drills Reinventing The Conveyer Belt This Machine Eats Trees From The Top Down Tourbillon: Testing of a new generation theme park ride Watch a Humongous Hungry Machine Crush and Swallow Engine Blocks A giant crane lifting a huge crane lifting a big crane lifting a crane