Here's Dr. Harry F. Olson, director of the Acoustical and Electromagnetical Laboratory of RCA, with his newly patented phonetic typewriter. Looking very similar to the Machine That Types What Is Spoken To It of 1913, Olson's typewriter took dictation through a microphone and turned it into type via what the New York Times called a "speech-analysis mechanism." Click through for a closer look at this grandparent of voice-recognition technology.
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