The SECOND Oldest Tube: London's Lost Pneumatic Railway

That London has the oldest Tube is well known. What is forgotten is that it has the SECOND as well - a long lost Pneumatic Railway beneath the city streets.

The lost train line that used to run to Crystal Palace Park - MyLondon

History of the London Underground - Wikipedia

London underground 1863 hi-res stock photography and images - Alamy

Do all underground trains run on electricity? - Quora

Discover Churchill's secret underground refuge with London Transport Museum - UKinbound

The SECOND Oldest Tube: London's Lost Pneumatic Railway

This abandoned railway was London's train for the dead

A brief history of when trains ran on air

History of the London Underground - Wikipedia

History of the London Underground - Wikipedia

Victorian high tech: the pneumatic railway – Lisahistory

Broad Street Station - A Lost London Station - A London Inheritance

Is ground-to-space pneumatic-tube transport possible? - Quora