Hardcover catalog with tight binding, wear at spine and cover corners. Name printed on back of front cover. Catalog has: vintage images of the Locke plants in Victor, NY and Baltimore, MD; photos of Locke insulators in use across the U.S. and many foreign countries: Cuba, Mexico, Switzerland, Spain, Italy, etc.; illustrations on methods of tying insulators; pin type insulators rated all the way to 88,000 volts; insulator pins; steel brackets; strain insulators; European type pin and shackle insulators; suspension insulators; technical data; Hewlett type; strain clamps and yokes; arcing horns; roof or wall insulators; tubes; bushings; etc. Asking $100 plus media mail shipping cost. Price reduced to $75.00 plus media rate shipping.