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Mechanical and Civil Engineering, Division of [former name], NMAH, SI. (186) History of Technology, Division of, NMAH, SI (176) Greene, Stephen (117) Lockwood Greene Engineers, Incorporated (117) Lockwood, Amos (117) Lockwood-Greene Company (117) Whitman, David (117) Elisofon, Eliot (81) Garden Club of America (81) Princeton University (81) Underwood & Underwood (58) Electricity and Modern Physics, Division of, NMAH, SI. (54) Greenleaf, James L. (46) Olmsted Brothers (43) Hammer, William J. (Wiiliam Joseph), 1858-1934 ((electrical engineer)) (42) Delano & Aldrich (40) Hutcheson, Martha Brookes (40) Platt, Charles A. (Charles Adams) (40) Pratt, Harold Irving (40) Delano, William Adams (38) Babb, Cook & Willard (36) North Country Garden Club of Long Island (35) Gorlia, Emile E.O. (33) Harris, Nancy H. (33) Baltimore and Ohio Railroad Company (30) Engineering and Industry, Division of, NMAH, SI. (30) Garrett, John W. (John Work) (30) Latrobe, Benj. H. (Benjamin Henry) (30) H.C. White Co. (29) Work and Industry, Division of, NMAH, SI (29) Belden & Company (45 Clinton Street, Newark, N.J.) (27)

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