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Re:Typing with a Piano [video] by aasasd on Monday April 01, 2019 @06:38PM (#19549072)
Early printing telegraphs used keyboards like musical ones:

https://en.wikipedia.org/wiki/File:Telegraph_Keyboard.jpg

https://en.wikipedia.org/wiki/File:Printing_Telegraph.jpg

See the article for some words on the topic: https://en.wikipedia.org/wiki/Printing_telegraph

> Hughes telegraph devices, which also had piano style keyboards, were very popular in France, where there were likely many more piano and harpsichord players than telegraphers.

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