Check the listing for details. Railroad Signal Dictionary First and Second Editions Illustrated Train CD - D227. Condition: Brand New. Listed at 14.95 USD. Railroad Signal Dictionary - First and Second Editions - on CD The Railway Signal Dictionary ; an illustrated vocabulary of terms which designate American railway signals, their parts, attachments and details of construction, with descriptions of methods of operation. This CD contains both the 1908 first edition and the 1911 second edition. Each volume is over 500 pages in length and contain thousands of illustrations related to railroad signaling. These two volumes make an excellent reference work for early 20th century railroad signaling technology. Here are some images taken from the dictionary. This CD runs on all Windows and Macintosh computers. You must have a web browser and Adobe Acrobat Reader - (available for free download if you do not have it installed on your computer.) The book index is organized in an HTML menu that is compatible with all browsers and the books themselves are in PDF format to allow them to be universally accessed. All the books are printable - either individual pages or the entire book. Please visit Our About Me Page to Learn More about Us! This product is a CD. All our CDs are professionally produced and packaged in DVD sized cases. This allows you to easily store them with your on your shelf and retrieve them easily. All our CDs are designed to play on any Microsoft Windows computer and Macintosh computers running OS X or higher. Some of our CDs require a special viewer to be installed on your computer to view the images. View Our Other Products: To view a listing of all our hundreds of products currently available, click the link below: -->View All Products