Helen Soros works the new pneumatic tube system to take cash at Marshall Fields store in Chicago, November 26, 1947.[1000x1294] - Imgur

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A fascinating, if arguably overlong, look at one of the Internet’s precursors — London’s 19th-century system of pneumatic tubes. It was a quicker way to transmit telegrams within the city, and eventually included 85 miles of tubes, pushing cylinders with messages using compressed air. There is talk of using them today, since the system is more secure than a digital network. —Quentin Hardy, Deputy Technology Editor

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Imagine spending your workday here. Hopefully the incoming capsules weren't fast or heavy!

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The New York City Pneumatic Mail System delivered mail through 27 miles of pressurized tubes from 1898 to 1918.

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