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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 ...
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.
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 ...
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.
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 ]
An automated vacuum waste collection system, also known as pneumatic refuse collection, or automated vacuum collection (AVAC), transports waste at high speeds through underground pneumatic tubes to a collection station where the waste is compacted and sealed in containers. Full containers are transported away to be emptied.
Pneumatics (from Greek πνεῦμα pneuma 'wind, breath') is the use of gas or pressurized air in mechanical systems. Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and electrically-powered compressor powers cylinders, air motors, pneumatic actuators, and other ...