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by Giovanni Caselli · Hachette · tapa blanda · 184 pages
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Este libro ofrece un fascinante recorrido por la historia de la Edad Media, explorando desde la formación de las grandes civilizaciones europeas hasta la época de los caballeros y los castillos fortificados. A través de sus páginas, los lectores jóvenes podrán descubrir cómo era la vida cotidiana en el campo, en los monasterios y en las ciudades medievales. La obra está enriquecida con numerosas ilustraciones y esquemas detallados que facilitan la comprensión de este periodo histórico, convirtiéndolo en una herramienta educativa ideal para niños y adolescentes interesados en el pasado. Es un viaje visual y narrativo que acerca la historia de una manera amena y rigurosa.
Giovanni Caselli was an Italian priest, inventor, and physicist. He studied electricity and magnetism as a child which led to his invention of the pantelegraph, the forerunner of the fax machine. The world's first practical operating facsimile machine ("fax") system put into use was by Caselli. He had worldwide patents on his system. His technology idea was further developed into today's analog television.
