Kozo's premiere geared locomotive contruction series in 3/4" scale with instructions for scaling up to 1" or 1.5". Metric to decimal inch and thread conversion charts are included, plus homemade enhancements. Kozo has developed a technique for relating the step-by-step instructions for duplicating his work, making it possible for amateur and experienced machinists all over the world to build beautiful operating miniature locomotives. Hardbound. 194 pages.