The process relies on a high definition image being created on Aluminium plate, which is These ‘offset rollers' transfer the image in ink onto the print rollers which generate the printed pages.

The lithographic printing process was invented in 1796 by Bavarian author Alois Senefelder for printing theatre scripts.  These early printing presses used flat plates which were made from stone or rigid metal.  With the development of the modern rolling printing presses the plates needed to be flexible, leading to the use of Aluminium.

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For more Achievements of Aluminium visit: www.alfed.org.uk/50Achievements