Armstrong Cork Company factory plant, Lancaster, Pennsylvania. [graphic]. Aero Service Corporation, photographer. Armstrong Cork Company. Building materials industry -- Pennsylvania -- Lancaster. Croplands -- Pennsylvania -- Lancaster. Aerial views of the Armstrong Cork Company (later Armstrong World Industries) plant on the outskirts of Lancaster, Pennsylvania. The company produced its first linoleum products at this plant beginning in 1908. Views include high-altitude vertical views showing the factory and environs as well as close-up views of the facility from a lower altitude. Surrounding farmlands are visible in the distance. Probably taken 1922 [1806, 1891] and 1925 [4785-4792]. Negative numbers: 1806, 1891, 4785, 4785a, 4786, 4786a, 4787, 4787a, 4788, 4789, 4790, 4792. Record revised with information supplied by former Aero Service employee Carl H. Winnefeld, Jr. PA. Philadelphia. 1922-1925 ca. 1922-1925 Glass negatives -- 1920-1930. Aerial photographs -- 1920-1930. 2 negatives : glass ; 10.5 x 13 cm (4 x 5 in.) 10 negatives : glass ; 21 x 25 cm (8 x 10 in.) digitool:61507 Library Company of Philadelphia PRINT PRINT Aero Service [P.8990.1806; P.8990.1891; P.8990.4785; P.8990.4785a; P.8990.4786; P.8990.4786a; P.8990.4787; P.8990.4787a; P.8990.4788; P.8990.4789; P.8990.4791; P.8990.4792] P.8990.1806 P.8990.1891 P.8990.4785 P.8990.4785a P.8990.4786 P.8990.4786a P.8990.4787 P.8990.4787a P.8990.4788 P.8990.4789 P.8990.4790 P.8990.4792 Lancaster (Pa.)