Electrical engineering
By: by Walter J. Greenleaf
Contributors: United States. Office of Education
Series: Circular -- no. 25; Circular (United States. Office of Education) -- no. 25
Publisher: U.S. Dept. of the Interior, Office of Education
Published: 1930
Place of publication: Washington, D.C
Language: eng
Subjects: Electrical engineers; Electrical engineering
Notes: "November, 1930."

Caption title.