Beehives of invention; Edison and his laboratories.
Contributors: United States. National Park Service.
Series: National Park Service history series
Publisher: U.S. National Park Service, Office of Publications
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 70
Subjects: Edison, Thomas A. -- 1847-1931; Edison National Historic Site (West Orange, N.J.)
Notes: Bibliography: p. 69-70.