Digital Communications 75 years ago

Here is a nifty slow-motion video showing how DIGITAL communications was received 75 years ago … a truly ingenious mechanical invention and fabrication …  the Model 15 Teletype page printer!

Remember, this device ran 7 times faster than the video shows — it printed a super-speedy 60 words per minute … the video, however, lets you appreciate the clever mechanical movements used to decode the  5 data bits ( ones and zeros, as we say today) into the proper letter to be typed.


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