postal system
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Pneumatic System
Pneumatic Postal SystemPneumatic Transportation System
Pneumatic Banks System
Pneumatic Postal System
Air pressure machines to control the PP System
Pneumatic Postal System
Original bladed air pump from the 1930s
Pneumatic Postal System
Lane input hatch, where the capsules were inserted
Pneumatic Postal System
A capsule for transporting packages using the Prague pneumatic post network
Pneumatic Postal System
Controllers of the five main lanes with counters, indicator lights and switch controls
Pneumatic Postal System
Air-pump control panel, with an ammeter and a manometer set in a marble slab
Pneumatic Postal System
Main control panel, showing the inlets, outlets and lane controllers
Pneumatic Bank System
Pneumatic tubes in use at a drive-through bank.
Pneumatic Postal System
NASA Mission Control Center during the Apollo 13 mission. Note pneumatic tube canisters in console to the right. (Arrow)
Pneumatic Postal System
Pneumatic tube letter from Berlin, Germany, 1904
Pneumatic Transportation System
Alfred Ely Beach's experimental pneumatic elevated subway on display in 1867
Pneumatic Transportation System
The pneumatic tube train from Albert Robida's The Twentieth Century.
Pneumatic Dispatch System
Testing at Battersea
Pneumatic Dispatch System
The London Pneumatic Dispatch Company (also known as the London Pneumatic Dispatch Company) was formed on 30 June 1859, to design, build and operate an underground railway system for the carrying of mail, parcels and light freight between locations in London. The system was used between 1863 and 1874
Pneumatic Dispatch System
Pneumatic Dispatch Company vehicle