463351 Jacob Haehnlen\'s engraving steam power lithographic and letterpress printing house, Goldsmith\'s Hall Library St. opposite post office Philadelphia, 1870 (chromolitho) by Haehnlen, Jacob (b.1824); 44 x 35 cm; Library Company of Philadelphia, PA, USA; (add.info.: Advertisement calendar for 1871 containing three vignettes, and pictorial elements. Vignettes depict a steam powered rotary press, a steam powered lithography press, and an exterior view of the "Jacob Haehnlen Lithographic Establishment" at 418 Library Street. Press views include operators, and exterior view also depicts street and pedestrian traffic and neighboring buildings. Traffic includes a horse-drawn carriage and a man pushing a handcart. Advertisement also contains cherubic figures sketching in a book and holding a palette, and floral and filigree border details. Haehnlen established his own business in 1858 and relocated his studio to Goldsmith??? Hall in 1866. ); 穢 Library Company of Philadelphia ; American, out of copyright.