Images (218)

Archival materials (218) Photographs (17) Drawings (5) Booklets (3) Correspondence (1) Holographs (autographs) (1) Photomechanical prints (1) Sketches (1) Texts (1)

Architecture (15) Design (15) Photography (8) American Civil War (1861-1865) (1) Aqueducts (1) Bridges (1) Civil War, 1861-1865 (1) Civil engineers (1) Dams (1) Employees (1) Interior architecture (1) Memorials (1) Personnel management (1) Pony express (1) Railroads (1) Shrines (1) Tunnels (1) War (1)

Mechanical and Civil Engineering, Division of [former name], NMAH, SI. (186) History of Technology, Division of, NMAH, SI (174) Greene, Stephen (117) Lockwood Greene Engineers, Incorporated (117) Lockwood, Amos (117) Lockwood-Greene Company (117) Whitman, David (117) Baltimore and Ohio Railroad Company (30) Garrett, John W. (John Work) (30) Latrobe, Benj. H. (Benjamin Henry) (30) Belden & Company (45 Clinton Street, Newark, N.J.) (27) Gilbert, Cass (27) Mechanical and Civil Engineering, Division of (NMAH, SI) (27) Valentine, P. O. (33 Homestead, Park, Newark) (27) Work and Industry, Division of, NMAH, SI (24) Modjeski and Masters (15) Holly Manufacturing Company (6) Worthington Corporation (6) Mechanical and Civil Engineering, Division of (5) Supreme Court Building (Washington, D.C.) (5) Calumet and Hecla Mining Company. (4) Karl, Roger F. R. (4) Leavitt, Erasmus D. (4) Pratt, Charles Richardson (4) Railway Express Agency. (4) Darnell, Victor (3) Davis, Henry (3) Klepetko, Frank (3) John A. Roebling's Sons Company (2) Roebling, Charles Gustavus (2) Roebling, Ferdinand W. (Ferdinand William) (2)

Connecticut (1) New Haven (Conn.) (1) United States (1)

Archives Center, National Museum of American History (218)