Finding aids (30) Images (20)

Archival materials (32) Collection descriptions (30) Photographs (11) Correspondence (8) Business ephemera (5) Ephemera (5) Blueprints (4) Drawings (4) Patents (4) Scrapbooks (4) Articles (3) Black-and-white photographs (3) Clippings (3) Manuscripts (3) Newsletters (3) Notebooks (3) Trade literature (3) Advertisements (2) Brochures (2) Business records (2) Diaries (2) Letterpress books (2) Manuals (2) Motion pictures (visual works) (2) Price lists (2) Printed material (2) Reports (2) Specifications (2) Tear sheets (2) Tracings (2) Trade catalogs (2)

Electric apparatus and appliances (5) Electricity (5) Electric lighting (3) Electrical engineering (3) advertising (3) Aeronautics (2) Communication (2) Dentistry (2) Inventors (2) Journalism, Scientific (2) Medicine (2) Museums (2) Patents (2) Radio (2) Science (2) Advertising agencies (1) Aeronautics, Commercial (1) Aeronautics, Military (1) African American entertainers (1) African American photographers (1) African Americans (1) Anthracite coal (1) Anthropology (1) Antibiotics (1) Archaeology (1) Architectural Blueprints (1) Automobiles (1) Bacteriology (1) Bathrooms (1) Biologicals (1) Bridge construction industry (1)

Warshaw, Isadore (5) National Museum of American History (U.S.). Division of History of Technology (3) National Museum of American History (U.S.). Division of Work and Industry (3) Ayer (N W) Incorporated. (2) Edison, Thomas A. (Thomas Alva) (2) Hammer, William J. (William Joseph), 1858-1934 (electrical engineer) (2) National Museum of American History (U.S.). Division of Electricity and Modern Physics (2) National Museum of American History (U.S.). Division of Engineering and Industry (2) National Museum of American History (U.S.). Division of Mechanical and Civil Engineering (2) Sprague, Frank J. (2) Adler, Solomon (1) American Marconi Company. (1) American Telephone and Telegraph Company (1) Ayer, Francis Wayland (1) Batchelor, George (1) Beers, E.R. (1) Bell, Alexander Graham (1) Berliner, Emile (1) Brooklyn Edison Company (1) Clark, George Howard (1) Coxe Brothers and Company, Inc. (Drifton, Pennsylvania) (1) Coxe, Eckley B. (Eckley Brinton) (1) Coxe, Tench (1) Cunningham & Walsh. (1) Curie, Marie (1) Curie, Pierre (1) Curtiss-Wright Airports Corporation (1) Curtiss-Wright Corporation (1) Custom Craft (1) Davis, George S. (1) De Kooning, Willem (1)

Bloomsburg (Pa.) (1) Europe (1) Montclair (N.J.) (1) Pennsylvania (1) Shaw (Washington, D.C.) (1) Shenandoah (Pa.) (1) Washington (D.C.) (1)

Archives Center, National Museum of American History (24) National Air and Space Museum Archives (3) Smithsonian Institution Archives (3) National Anthropological Archives (2)