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Diligente
Charles-Henrie Loeillot-Hartwig
Johann Senefelder
Lithograph and watercolor
Around 1816
Size: 14 x 22 cm
Frame size: 33 x 41 cm
Charles-Henri or Karl Loeillot-Hartwig (Stettin 1798-18...)
A genre painter and portraitist in Paris, he exhibited at the Salon in 1830 and 1833.
Alois or Johann Senefelder (Prague 1771-Munich 1834)
He was the son of an actor who wanted to become a lawyer and was sent to the University of Ingolstadt. But Senefelder wanted to be a playwright, he produced a few plays that were not successful. The death of his father deprived him of the means to have his works printed, he sought the means to multiply them by a process other than typography. He made attempts at engraving on copper, with a burin and with etching, and to cover the expense of the copperplates he thought of using the Kelheim stone.
We know how chance, a laundress's note transcribed, for lack of paper, on the corner of a stone prepared for etching, led him to try to obtain a relief engraving by isolating the parts covered with ink from the action of the acid instead of the hollow engraving that etching gave him.
His first attempt was satisfactory enough to allow him to push the experiment further and after a certain time, thanks to the making of a special grease pencil, his process entered the realm of practice.
In 1818 the inventor published a memoir, translated into French and English. We know the success that the process of lithographic engraving had, especially in France.
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