P.9479 8028 [American Sugar Refining Company, 1100 East Key Highway, Baltimore, Md.] safety film negative August 2, 1929
P.9479 8027 [American Sugar Refining Company, 1100 East Key Highway, Baltimore, Md.] safety film negative ; Jennings print August 2, 1929
P.9479 213544 [Apex Hosiery Company, southwest corner of 5th and Luzerne Streets, Philadelphia] safety film negative August 11, 1925
P.9479 213545 [Apex Hosiery Company, southwest corner of 5th and Luzerne Streets, Philadelphia] safety film negative August 11, 1925
P.9479 213546 [Apex Hosiery Company, southwest corner of 5th and Luzerne Streets, Philadelphia] safety film negative August 11, 1925
P.9479 213350 [Atwater Kent Manufacturing Company, 4700 Wissahickon Avenue, Philadelphia] safety film negative June 26, 1925
P.9479 7220 [Atwater Kent Manufacturing Company, aerial view, 4700 Wissahickon Avenue, Philadelphia] safety film negative April 10, 1929
P.9479 8095 [Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.] safety film negative July 29, 1929
P.9479 8096 [Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.] safety film negative July 20, 1929
P.9479 9549 [Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.] nitrate negative ; Jennings print ca. 1925
P.9479 9550 [Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.] nitrate negative ; Jennings print ca. 1925
P.9479 12431 [Baldwin Locomotive Works Administration Building, Route 13 and Simpson Street, Eddystone, Pa.] PRINT ONLY; Jennings print ca. 1925
P.9479 961 [Baldwin Locomotive Works Office Building, southwest corner of Broad and Spring Garden Streets, Philadelphia] safety film negative ; 3 modern prints 1927
P.9479 6400 [Belmont Iron Works, Essington Avenue, Eddystone, Pa., aerial view] safety film negative ; modern print December 12, 1928
P.9479 11643 [Brown Instrument Company, Wayne and Roberts Avenues, Philadelphia] nitrate negative ; modern print ca. 1925
P.9479 11644 [Brown Instrument Company, Wayne and Roberts Avenues, Philadelphia] nitrate negative ; 3 modern prints ca. 1925
P.9479 MJ-23 [Campbell's Soup Company factory, Camden, N.J.] nitrate negative ; 2 Jennings prints ; 2 modern prints August 12, 1937
P.9479 321 [Campbell's Soup Company factory in Camden, N.J. from the Benjamin Franklin Bridge over the Delaware River] safety film negative October 4, 1930
P.9479 322 [Campbell's Soup Company factory in Camden, N.J. from the Benjamin Franklin Bridge over the Delaware River] safety film negative ; modern print October 4, 1930
P.9479 11638 [Dixie Cup Company factory, Easton, Pa.] safety film negative ; modern print February 5, 1931
P.9479 11639 [Dixie Cup Company factory, Easton, Pa.] safety film negative ; Jennings print February 5, 1931
P.9479 8256 [Esterbrook Steel Pen Manufacturing Company, Delaware Avenue and Cooper Street, Camden, N.J.] glass plate negative May 23, 1913
P.9479 7418 [Harrowgate Incinerator Plant, Ramona and G Streets, Philadelphia] PRINT ONLY ; Jennings print ca. 1925
P.9479 19855 [J.B. Van Sciver Company factory building, 1-9 Federal Street, Camden, N.J.] nitrate negative ; modern print ca. 1925
P.9479 4695 [John Warren Watson Company factory, Tulip Street and Aramingo Avenue, Philadelphia, Pa.] safety film negative ; 2 modern prints May 1, 1928
P.9479 4697 [John Warren Watson Company factory, Tulip Street and Aramingo Avenue, Philadelphia, Pa.] safety film negative ; modern print May 1, 1928
P.9479 213326 [Kieckhefer Container Company plant, Delair, N.J.] safety film negative ; 2 modern prints June 27, 1925
P.9479 213327 [Kieckhefer Container Company plant, Delair, N.J.] safety film negative ; 2 modern prints June 27, 1925
P.9479 212965 [R.C.A. Victor Talking Machine Company plant, from the Benjamin Franklin Bridge, Camden, N.J.] safety film negative ca. 1928
P.9479 MJ-25 [Rowland's Shovel Works, Frankford Avenue, Holmesburg, Pa.] safety film negative disagreement
P.9479 213694 [Westinghouse Electric and Manufacturing Company factory, 30th and Walnut Streets, Philadelphia] nitrate negative ; modern print September 14, 1925
P.9479 4324 [Westinghouse Electric and Manufacturing Company factory, 30th and Walnut Streets, Philadelphia] safety film negative ; modern print March 12, 1928 (March 27, 1924 ?)