Book excerpt: Contents: 1. The Units, Mass, Force, Weight and Basic Definitions. 2. Work, Energy and Power. 3. Friction, bearings, lubrication, inclined plane, bolts and nuts. 4. Simple machines, levers, pulleys, lifting machines. 5. Mechanical transmission of power. 6. Strength and properties of materials. 7. Engineering Materials : Metals. 8. Engineering Materials : Wire ropes and their attachments. 9. Principles of air compression. 10. Genration, distribution and use of compressed air. 11. Winding: Cages and shaftfittings. 12. Winding: Drum winders and friction winders. 13. Winding. Steama and electric winders, speed control and safety devices. 14. Winding: Pit-top and Pit-bottom layouts with cage winding and skip winding. 15. Transport: Rope haulages and tracks. 16. Transport: Internal Combustion Engines and Locomotives. 17. Conveyors and other Transport Media. 18. Principles of Hydraulics and Mine Pumps. 19. Face mechanisation, Appendix, Index.