INVENTIONS

                                                                                           


In 1440, Johannes Gutenberg a german inventor,  invented a printing press process that, with refinements and increased mechanization, remained the principal means of printing until the late 20th century. The inventor's method of printing from movable type, together with the use of metal molds and alloys, a special press, and oil-based inks, allowed for the first time the mass production of printed books.

Printing press-A machine that transfers lettering or images by contact with various forms of inked surface onto paper or similar material fed into it in various ways The device is used for printing many copies of a text on paper.

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