General Electric. Good. 1940. Paperback. Cover wear of binder. Publications are Very Good. Three publications in binder: Pyranol Capacitors for Low Voltage Industrial Applications: 230 460 and 575 volts. Pyranol Capacitors for High Voltage Industrial Applications: 230 to 13200 volts. Power Factor and its Improvement with G E Pyranol Capacitors . General Electric paperback
National Bureau of Standards. Good. 1971. Hardcover. Exlibrary usual markings. Original volume: 984 pages. Supplement 1: 440 pages Supplement 2: 467 pages. Repaired hinge. . National Bureau of Standards hardcover
NY: Frederick A. Praeger 1960. 2nd printings. VG/Good slipcase wear to edges of slipcase. maps with equal number of pages text further readings folio oblong in slipcase; Frederick A. Praeger hardcover
The James F Lincoln Arc Welding Foundation. Good. 1948. Hardcover. Some page yellowing. ; 1024 pages . The James F Lincoln Arc Welding Foundation hardcover