463210 Advertisement for Powers & Weightman Chemical Manufactory, Philadelphia, c.1876 (chromolitho) by Blanc, Albert (19th century); 34 x 43 cm; Library Company of Philadelphia, PA, USA; (add.info.: Advertisement showing the factory complex built 1825-1876 between 9th, Parrish, Brown, and Darien Streets. Buildings house a showroom, storerooms, laboratories, boiler rooms, acid houses, drying rooms, and warehouses. In 1847, Powers & Weightman succeeded Farr & Kunzi (established in 1818), and became internationally renown for their manufacture of medicinal and other fine chemicals. The company was the first to introduce quinine to the United States. Printed by Longacre & co.); 穢 Library Company of Philadelphia ; American, out of copyright.