The hows & whys of electricity.
Contributors: Washington State University. Cooperative Extension Service.
Series: Extension mimeo -- 2680.; Extension mimeo (Washington State University. Cooperative Extension) -- 2680.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1967
Place of publication: Pullman
Language: eng
Notes: Cover title.

"Unit II."

"January 1967."

"EM 2680."