3 ms·
Prague had a system that ran from 1889 to 2002. https://en.wikipedia.org/wiki/Prague_pneumatic_post https://en.wikipedia.org/wiki/Prague_pneumatic_post
by Pulcinella 6y ago
Prague had a system that ran from 1889 to 2002.
https://en.wikipedia.org/wiki/Prague_pneumatic_post https://en.wikipedia.org/wiki/Prague_pneumatic_post