Earp, Unus Fulton Rural eletrification engineering / Unus Fulton Earp - New York : McGrew- Hill Book, 1950 - ix, 313 p. : ill, tables, diagrs. ; 23 cm. - mcGrew- Hill Publications in Agricultural Engineering . Includes bibl. footnotes Subjects--Topical Terms: Electrical engineering Dewey Class. No.: 131