William J. Hammer Collection, ca. 1874-1935; 1955-1957
Hammer, William J (Wiiliam Joseph) (electrical engineer) 1858-1934
Electricity and Modern Physics, Division of, NMAH, SI
Berliner, Emile 1851-1929
Edison, Thomas A (Thomas Alva) 1847-1931
Johnson, Edward H
Upton, Francis R
Tesla, Nikola 1857-1943
Sprague, Frank J
Bell, Alexander Graham 1847-1922
23 cu. ft.: 101 boxes
Menlo Park (N.J.)
ca 1874-1935 1955-1957
Hammer was a consulting electrical engineer with broad interests in science and technology. He began his career as an assistant in Edison's Menlo Park Laboratory and progressed through various states of involvement in projects from incandescent lighting to wire recording.
Original documents and papers generated by William J. Hammer and by various companies and individuals with whom he was associated. Includes material related to the research and inventions of Edison, Bell, Tesla, the Curies, etc.
William J. Hammer Collection, Archives Center, National Museum of American History