2. The principles of mechanics before Hertz --
3. Mechanization of physics --
4. Problematization of the concept of force --
5. A biographical survey --
6. Hertz's road to mechanics --
8. Hertz's earlier ideas about images --
9. Images of mechanics --
10. Kantianism : a-priori and empirical elements of images --
11. Time, space and mass --
12. The line element : the origin of the Massenteilchen --
13. Hertz's geometry of systems of points --
14. Vector quantities and their components --
15. Connections : material systems --
16. The fundamental law --
18. Cyclic coordinates --
19. Unfree systems : forces --
20. Cyclic and conservative systems --
21. Integral principles --
22. A history of non-holonomic constraints --
23. Hertz on the Hamilton formalism --
24. Mathematicians on the geometrization of the Hamilton-Jacobi formalism --
25. Hertz on the domain of applicability of his mechanics --
26. Force-producing models --
27. Reception, extension and impact --
