Softcover, Chicago: Association of American Railroads, 1959. Good with No dust jacket as issued.
Sound binding. Clean, tanned pages. Wrappers have general handling wear. Illustrated with schematic diagrams, black and white photographs, and drawings. ; Conference proceedings focused on various communication devices in use by American railroads in the mid-20th century. Index. ; 9.0" (21 cm) tall; 156 pages.
Price: $20.00 save 20% $16.00