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Printing technology in 18th century, had an interesting technique which was called lithography (http://thefishbowlnetwork.com/blog/lithography//). It had extended to chromolithography, which is a method for making multi-colour prints. This is also referred as oleograph and  was introduced by Alios Senefolder in 1818.

Oleograph is the actual printing process by adding color to the black and white lithograph. First, the image is applied to a stone and is gummed with gum arabic solution and with nitric acid. Then it is inked with oil-based paints and passed through a printing press along with sheet of paper to transfer the image to paper. A separate stone had to be drawn for each colour. Then the print paper was passed from stone to stone to pick up the  varied colors. The paper had to be aligned exactly on every stone or resulting print will be spoiled. It is not unusual that nearly 20 or 25 stones were used at times.  This process is done till the ink gets over. The production costs were low and thus, there were many printers who supported the chromolithography ,apart from the work load.

In recent times,  this process are  mainly used as fine arts rather than advertisements. 50 years following the civil war have been called as the “chromo civilisation”. The chromolithograph contains attractive color and sold inexpensively. They depicted the historical events. Thus, these are the introduction for the earlier color printing technology, “oleograph”.. John Mix Stanley [The Trial Of Red Jacket.] ..A historical event which was depicted by oleograph.

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