Edison stock ticker machine.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
Previously:
Manual punch card puncher - GIF
4.5 megabytes of data represented by punch cards - photo
Heavy duty paper hole punch - GIF
Edison stock ticker machine.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
Previously:
Manual punch card puncher - GIF
4.5 megabytes of data represented by punch cards - photo
Heavy duty paper hole punch - GIF
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