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
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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
Technology for a Solar-Punk future.
Airships and hydroponic farms…
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