1. Units and Standards of Measurement 305
2. Standard Unit of Time 307
3. The Unit of Space and the Bar Standard 312
4. The Terrestrial Standard 314
5. The Pendulum Standard 315
6. Unit of Density 316
7. Unit of Mass 317
8. Natural System of Standards 319
9. Subsidiary Units 320
10. Derived Units 321
11. Provisional Units 323
12. Theory of Dimensions 325
13. Natural Constants 328
14. Mathematical Constants 330
15. Physical Constants 331
16. Astronomical Constants 332
17. Terrestrial Numbers 333
18. Organic Numbers 333
19. Social Numbers 334
