3

Pneumatic tubes were used to deliver mail! (slrpnk.net)

submitted 3 years ago by bonkerfield@slrpnk.net to c/technology@slrpnk.net

6 comments fedilink hide all child comments

You can read more about the fascinating history here: https://about.usps.com/who-we-are/postal-history/pneumatic-tubes.pdf

Credit: https://hachyderm.io/@miah

you are viewing a single comment's thread
view the rest of the comments

[-] Jon-H558@kbin.social 1 points 3 years ago

Reminds me of the tubes they send radionuclide to hospital for scanning

https://youtu.be/eMTZvA8iFgI

this post was submitted on 27 Jun 2023

3 points (100.0% liked)

Solarpunk technology

4546 readers

33 users here now

Technology for a Solar-Punk future.

Airships and hydroponic farms...

This is not an IT industry news community.

founded 3 years ago

MODERATORS

poVoq@slrpnk.net

KeraKali@slrpnk.net