
Oberg, Erik Spur and Bevel Gearing: A Treatise On the Principles, Dimensions, Calculation, Design and Strength of Spur and Bevel Gearing, Together With Chapters ... Tooth Forms and Methods of Cutting Gear Teeth

Oberg, Erik Shop Mathematics: A Treatise On Applied Mathematics Dealing With Various Machine-Shop and Tool-Room Problems, and Containing Numerous Examples ... Application of Useful Rules and Formulas

Oberg, Erik Spur and Bevel Gearing: A Treatise On the Principles, Dimensions, Calculation, Design and Strength of Spur and Bevel Gearing, Together With Chapters ... Tooth Forms and Methods of Cutting Gear Teeth