This CD-ROM is a digital version of the Cyclopedia published by Simmons-Boardman in 1922, which features definitions and illustrations of standard locomotives of the era; their parts and equipment; and illustrations of the tools and methods used in locomotive construction and repair. High-resolution photos, diagrams and line drawings can be easily printed in popular modeling scales such as HO or N. Requires Windows 95 or above and Web browsing software. #0R06033