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A pneumatic tube system in Washington, D.C., in 1943. Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, as opposed to conventional pipelines which ...
Prague pneumatic post (Czech: Pražská potrubní pošta) is the world's last preserved municipal pneumatic post system. [1] It is an underground system of metal tubes under the wider centre of Prague, totaling about 55 km (34 miles) in length. [2] The system started service in 1889 and remained in use by the government, banks and the media ...
On 20 January 1937, the Lamson Engineering Company Ltd was incorporated as a merger of the Lamson Store Service Co Ltd and Lamson Pneumatic Tube Co Ltd. In 1973, the firm was promoting its "Rallypost" system with PVC track and battery-operated carriers that could carry up to 6 kg. [4] This was designed as an office document carrier.
The pneumatic tube mail was a postal system operating in New York City from 1897 to 1953 using pneumatic tubes. Similar systems had arisen in the mid-19th century in London, via the London Pneumatic Despatch Company; in Manchester and other British cities; and in Paris via the Paris pneumatic post. Following the creation of the first American ...
Pneumatic conveyors are either carrier systems or dilute-phase systems; carrier systems simply push items from one entry point to one exit point, such as the money-exchanging pneumatic tubes used at a bank drive-through window. Dilute-phase systems use push-pull pressure to guide materials through various entry and exit points.
They also made cable systems and pneumatic tube systems. [4] Sturtevants Sturtevants of Boston, Massachusetts was an offshoot of an American company. They purchased part of Reid Brothers around the early 1920s and the pneumatic tube business of Cooke, Troughton and Simms. In 1949 the part that handled pneumatic tubes was acquired by Lamsons. [5]
The banking floors also had what was described as the world's largest pneumatic-tube system to be used in a banking facility. [12] [44] The two buildings comprising National City Bank's global headquarters, 20 Exchange Place and 55 Wall Street, were connected by a pedestrian bridge over Exchange Place, [50] [51] [52] located at the ninth floor ...
Pneumatics. Pneumatic (compressed-air) fireless locomotives like this were often used to haul trains in mines, where steam engines posed a risk of explosion. This one is preserved H.K. Porter, Inc. No. 3290 of 1923. Pneumatics (from Greek πνεῦμα pneuma 'wind, breath') is the use of gas or pressurized air in mechanical systems.
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