463870 Harrison Brothers\' white lead works & chemical laboratory, Philadelphia, printed by Wagner & M\'Guigan, 1847 (litho) by Rease, W. H. (19th century); 32 x 64 cm; Library Company of Philadelphia, PA, USA; (add.info.: Advertisement showing a bird\'s eye view of the chemical works of Harrison Brothers near Fitler and Harrison Streets in Frankford, showing from left to right, the buildings containing "Pyro Acid Works," "Sulphuric Acid Works," "Sugar Lead Works," "White Lead Works," "Alum Works," "Copperas Works," and the company office. The bustling scene includes laborers pushing wheel barrows, putting coal in a furnace, and hoisting barrels using a block and tackle pulley system. Piles of lumber, barrels, and vats cover the ground, and smoke rises from the chimneys of the buildings within the enclosed compound. A man walks along the periphery ... ); 穢 Library Company of Philadelphia ; Library Company of Philadelphia; American, out of copyright.