Annual report

Pittsburgh Plate Glass Company · 1929 · Pittsburgh, PA : The Company · 13 pictures

Pittsburgh Plate Glass Company -- Periodicals · Plate glass · Glass trade -- United States -- Periodicals · Glass manufacture -- United States -- Periodicals · Chemical industry -- United States -- Periodicals · Paint industry and trade -- United States -- Periodicals

Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931) · More from this library