this post was submitted on 27 Jun 2023
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Solarpunk technology

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Pneumatic tubes were used to deliver mail! (slrpnk.net)
submitted 1 year ago by [email protected] to c/[email protected]
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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

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[–] [email protected] 1 points 1 year ago

In the medicine field this technology isn't uncommon because you can send samples quickly to the hospital laboratory.