
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 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 Solution of Triangles: A Treatise On the Use of Formulas and the Practical Application of Trigonometry and Logarithms in the Solution of Shop Problems ... Right-Angled and Oblique-Angled Triangles