463178 Illustration of Alois Senefelder, Inventor of Lithography from \'The American encyclopaedia of printing\' by J. Luther Ringwalt, published 1871 (litho) by American School, (19th century) (after); 27 x 18 cm; Library Company of Philadelphia, PA, USA; (add.info.: Alois Senefelder (1771-1834) was the German actor and playwright as well as the inventor of the printing technique of lithography in 1796. Printed by Duval & Hunter.); 穢 Library Company of Philadelphia ; Library Company of Philadelphia; American, out of copyright.