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Showing posts with label or Beginners' Guide: Containing a Few Simple Rules and Explanations on the Relation of Wheels to Pinions With Methods of Figuring the Same (Classic Reprint). Show all posts
Showing posts with label or Beginners' Guide: Containing a Few Simple Rules and Explanations on the Relation of Wheels to Pinions With Methods of Figuring the Same (Classic Reprint). Show all posts