Address of President Hoover in connection with the celebration of the 50th anniversary of Mr. Thomas A. Edison's invention of the incandescent electric lamp, at Dearborn, Mich., Oct. 21, 1929.
Publisher: U. S. Govt. Print. Off.
Published: 1929
Place of publication: Washington
Language: eng
Subjects: Research, Industrial -- United States.
Notes: Cover title.

Bound with other presidential addresses of Harding, Coolidge and Hoover.