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Hammer, William Joseph, 1858-1934.
William J. Hammer collection, circa 1874-1935; 1955-1957.
The collection documents in photographs, manuscripts, notes, books, pamphlets, and excerpts, the beginnings of electrical technology. Included in the four series are both original documents and papers generated by Hammer and by various companies and individuals with whom he was associated. Series 1 consists of correspondence, mostly incoming from 1879-1935, but also includes diaries, notebooks, biographical information, patent material, pamphlets, writings by Hammer, and a badge, 1925. Also in this series, is correspondence on Hammer's Historical Collection of Incandescent Electric Lamps. Series 2 contains information on Thomas A. Edison's inventions including copies of agreements, copies of Edison's patents, and other patent materials, correspondence, data relative to the Edison Central Stations, Edison storage battery data, exhibits to legal cases, etc. Series 3 consists of reference materials including advertisements, articles, bulletins, catalogs and guides, gazettes, journals, pamphlets, newsclippings, portraits, scientific papers, scrapbooks, and theses. Series 4 consists of photographs from the Hammer papers, Edisonia, and reference materials. Individuals and subjects include: Thomas A. Edison, Edward H. Johnson, Pierre Curie, Marie Curie, Francis R. Upton, Francis Jehl, Nichola Tesla, Frank J. Sprague, George Batchelor, Alexander Graham Bell, Emile Berliner, electrical engineering, incandescent electric lighting, light bulb, selenium, radium, cathode rays, x-rays, ultraviolet rays, phosphorescence, flourescence.
Hammer was an inventor and consulting engineer with broad ranging interests in science and technology. He began his career as an assistant in Edison's Menlo Park Laboratory and progressed through various sites of involvement in projects from incandescent lighting to wire recording.
Cathode rays.
Electric engineering -- United States.
Electricity.
Fluorescence.
Incandescent lamps.
Inventions.
Light bulbs.
Lighting (Technology) -- Technological innovations.
Phosphorescence.
Radium.
Science.
Selenium.
X-rays.
Advertisements. aat
Articles. aat
Biography files. aat
Diaries lcgft
Notebooks. aat
Pamphlets. aat
Photographs. aat
Scrapbooks. aat
Patents lcgft
Batchelor, George.
Bell, Alexander Graham, 1847-1922.
Berlineir, Emile.
Edison, Thomas A. (Thomas Alva), 1847-1931.
Hammer, William J.
Jehl, Francis.
Johnson, Edward H.
Sprague, Frank J.
Tesla, Nikola, 1856-1943.
Upton, Francis R.
Edison Central Stations.
Menlo Park Laboratory
AIP-ICOS
Smithsonian Institution. National Museum of American History. Archives Center. MRC 601, 12th Street and Constitution Avenue, NW, Washington, DC 20560, USA
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