印刷是我国的四大发明之一,但誊印(通常称“油印”)却不是国粹而是舶来品。它的发明者是美国爱迪生。我们都知道爱迪生发明电灯、留声机,号称“发明大王”,可是很少有人知道钢版誊印也是他发明的。爱迪生向来对一切事物都喜欢探究,对于印刷他也很感兴趣。那时美国早就有了平版印刷,但他觉 Printing is one of the four great inventions of our country, but the emblem of India (often referred to as “mimeograph”) is not a quintessence but a foreign product. Its inventor is American Edison. We all know that Edison invented the electric light, gramophone, known as the “invention of the king,” but few people know that the steel version of India is also invented. Edison always likes to explore everything, and he is also very interested in printing. At that time, the United States had long had lithography, but he felt