Images (209)

Archival materials (209) Photographs (17) Booklets (3) Correspondence (1) Holographs (autographs) (1) Photomechanical prints (1) Sketches (1)

Architecture (10) Design (10) 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) Work and Industry, Division of, NMAH, SI (24) Belden & Company (45 Clinton Street, Newark, N.J.) (20) Gilbert, Cass (20) Mechanical and Civil Engineering, Division of (NMAH, SI) (20) Valentine, P. O. (33 Homestead, Park, Newark) (20) Modjeski and Masters (15) Holly Manufacturing Company (6) Worthington Corporation (6) Calumet and Hecla Mining Company. (4) Leavitt, Erasmus D. (4) Pratt, Charles Richardson (4) Darnell, Victor (3) Davis, Henry (3) Klepetko, Frank (3) Mechanical and Civil Engineering, Division of (3) John A. Roebling's Sons Company (2) Karl, Roger F. R. (2) Railway Express Agency. (2) Roebling, Charles Gustavus (2) Roebling, Ferdinand W. (Ferdinand William) (2) Roebling, John Augustus (2)

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

Archives Center, National Museum of American History (209)