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 The SoundTank Will Blow Your Ears Off Ninebot One, the Futuristic Self-Balancing, One-Wheeled Scooter Amphibious Weed-Cutting Boat! How the Largest Car Factory in the World Transports Its Vehicles The Most Complicated Watch Ever Created – $3m This jet-powered go kart is basically a fire breathing monster on wheels