"N.Y. Post Office Pneumatic Tube" c. 1912. G.G. Bain Collection.
A History of Pneumatic Tube Transportation, The Basic Technology Behind the Hyperloop
Pneumatic tubes, like those used by Winston, were actually used in the late 19th and early 20th century
Pneumatic tube technology by askpang, via Flickr I remember when department stores used these for payment.
Pneumatic tube systems: a fascinating little summary
Pneumatic tube system on duty in a restaurant...
NYCs Pneumatic Tube Mail Network - Untapped New York
Storm Door Closer . $17.99. Replace the pneumatic tube that lets your door slam shut with this new storm door closer that brings your door to a close at the perfect pace.
Early departments stores used the latest technology and helped innovation for 'new needs'. This is the pneumatic tubing used for carried the cash from the tills in a branch of the Co-operative Dept Store (UK) in the early 1900s