Pneumatic tube systems — little canisters shot through a series of tubes via the power of compressed air — have been around since the 19th century when they were briefly popular as a way to quickly deliver mail in big cities.
Published 6:02 am Tue, Nov 19, 2013
About the AuthorHip Hop Family Tree is in stores. Hip Hop Family Tree book 2 is now on Amazon!
Coming soon: The Hip Hop Family Tree Box Set