Softcover, Chicago: Association of American Railroads, 1960. Good with No dust jacket as issued.
Sound binding, although wrappers are starting to pull away. Clean, tanned pages. Wrappers have general handling wear. Illustrated with 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; 127 pages.
Price: $20.00 save 20% $16.00