Electrical equipment on movable bridges
By: by Condé B. McCullough, Albin L. Gemeny, and W.R. Wickerham
Series: Technical bulletin / United States Department of Agriculture -- no. 265; Technical bulletin (United States. Department of Agriculture) -- no. 265
Publisher: U.S. Dept. of Agriculture
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 114
Subjects: Bridges; Electric machinery
Notes: Cover title.

Contribution from Oregon State Highway Department and U.S. Bureau of Public Roads.