Invention or Discovery: Steam Rotary Printing-Press
Invention: First practical steam rotary printing-press, paper printed on both sidesDate: 1814
Inventor: Frederick Koenig
Birthplace: Germany
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| Invention or Discovery: Steam Rotary Printing-PressInvention: First practical steam rotary printing-press, paper printed on both sidesDate: 1814 Inventor: Frederick Koenig Birthplace: Germany
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