Pneumatic tube
device · 1853 · Industrial Revolution
Delivering capsules through pipes by air pressure.
What it is made of
- Pneumatic tube pipe — has part. A network of tubes between stations.
- Capsule — has part. A container for letters.
- Compressor — has part. A pressure or vacuum blower.
- Pneumatic tube terminal — has part. A lock for receiving and sending capsules.
Principles and materials it uses
- Compressed air — uses. Air pressure.
- Cast iron — is made of. The tubes are cast iron.
History: what it evolved from and what it influenced
- Hyperloop (concept) — inspired. Capsules in a tube — pneumatic post for people.
What it is a kind of
- Postal service — is a kind of. The post.