Rochester, New York. This course will provide instruction in the theory and practical application of techniques for cutting gears and pinions by the Gleason DUPLEX Helical completing method. Practical experience will be given in the setup and operation of appropriate Gleason machines. Development techniques used for completing gears and pinions and the use of a Gleason hypoid tester will be demonstrated and/or used by the trainee during this course. Additional training including a description and practical instruction in the use of the Gleason RSR® Cutter System can also be arranged as a separate activity.