MAKE A MEME View Large Image Uspat22770fig3.png en This is a diagram of the first keyboard used in stock ticker tape transmitters U S Patent number 22 770 Figure 3 David E Hughes Patented January 25 1859 U S government public domain http //www google com/patents/about ...
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Keywords: Uspat22770fig3.png en This is a diagram of the first keyboard used in stock ticker tape transmitters U S Patent number 22 770 Figure 3 David E Hughes Patented January 25 1859 U S government public domain http //www google com/patents/about id IkVeAAAAEBAJ full patent; photograph lithograph Ticker tape PD-USGov
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