Richter, H. P.
Practical electrical wiring residential, farm, and industrial based on the 1951 National electrical code - 4th ed. - New York McGraw-Hill 1952 - x, 602p. illus. 21 cm
Wiring : Building electrical engineering
621.282 / RIT/1952
Practical electrical wiring residential, farm, and industrial based on the 1951 National electrical code - 4th ed. - New York McGraw-Hill 1952 - x, 602p. illus. 21 cm
Wiring : Building electrical engineering
621.282 / RIT/1952