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Old-Timey Patent: Apparatus for Recording and Reproducing Speech, 1904

Shown here a patent for a magnetic wire recorder by Elias E. Ries. There are quite a few patents for devices like this, but I just dig the way this one looks. I love the drawings in old-timey patents, and they way they can convey motion and depth with nothing but linework. The other reason I love these things: they represent our heritage of invention and innovation in America.


Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.

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