tiempo Zaragoza

domingo, 15 de abril de 2012

Social Science
Last month we studied in social science class about the printing press. It was invented by Johannes Gutemberg in 1440.Gutenberg's press could produce books quickly and with relatively little effort, bookmaking became cheaper, allowing more people to buy reading material so it was a very important invention. Here the process of printing a book with it:
Jorge M. and Marta R. 2ºH

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