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by Filligree 2439 days ago
Do you know what killed it?
2 comments
metaphor 2439 days ago
Discussed in the wiki: https://en.m.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Y...
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gregschlom 2439 days ago
The electricity-based message transmission systems (telegrams, fax, email, etc)
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