Edisonia
name: label: Collection Creator
content: Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
setName: label: See more items in
content: William J. Hammer Collection
unitdate: label: Date
content: 1847-1960
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0069, Series 2
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: This series consists of the following material about the Edison inventions: announcements; articles; blueprints, copies of agreements; copies of Edison patents, and other patent materials; correspondence; data relative to the Edison Central Stations; diagrams; Edison Pioneer constitution and by-laws; Edison storage battery data; exhibits to legal cases; excerpts; general inspection reports and suggestions to officers and Directors of fifteen Edison central Stations; general reference articles on Edison; invitations; journals; magazines; manuscripts; material on phonographs; material relative to legal proceedings; memoranda of some central stations; memoranda on various lamp companies,- Menlo Park data; newsclippings; newspapers; notes; obituaries; pamphlets; speeches; and testimonies.