Contents 1. Pressure 2. Fluid flow 3. Volume and flow measurement 4. The gas laws 5. Natural exponential functions 6. Solubility 7. Diffusion and osmosis 8. Work, energy and power 9. Temperature 10. Heat capacity and latent heat 11. Vaporizers 12. Humidification 13. The sine wave and wave patterns 14. Electricity 15. Biological electrical potentials: their display and recording 16. Electrical safety 17. Blood pressure measurement 18. Oxygen measurement 19. Hydrogen ion and carbon dioxide measurement 20. Further techniques of gas and vapour analysis 21. Gas supplies 22. Breathing and scavenging systems 23. Fires and explosions 24. Isotopes and radiation 25. Presentation and handling of data, basic measurement concepts 26. Assessment of awareness during anaesthesia Appendix