Postcard. 1899.

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Postcard. 1899.

http://www.worldcat.org/oclc/10416274

T. Postcard S. (1899 June 1, Cornell University) to Hammer thanking him for a copy of his article and "the illustration of the Edison Invention."

1 item (2 p.)

Smithsonian Institution. Libraries

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SNAC Resource ID: 6671798

Smithsonian Institution. Libraries

Related Entities

There are 3 Entities related to this resource.

Hammer, William Joseph, 1858-1934

http://n2t.net/ark:/99166/w6gx68gb (person)

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. From the description of William J. Hammer Collection, ca. 1874-1935; 1955-1957. (Unknown). WorldCat record id: 81179745 ...

Ryan, Harris J. (Harris Joseph), 1866-1934

http://n2t.net/ark:/99166/w6ff54j2 (person)

Harris J. Ryan was a professor of electrical engineering at Stanford (1905-1931; emeritus, 1931-1934), head of the Department of Electrical Engineering and first director of the Ryan High Voltage Laboratory. From the description of Harris J. Ryan papers, 1908-1934. (Unknown). WorldCat record id: 497929044 Biographical/Historical Sketch Harris J. Ryan was a professor of electrical engineering at Stanford (1905-1931; emerit...

Dibner, Bern.

http://n2t.net/ark:/99166/w6t155vs (person)