v. 1. Abrasive-Astronomy -- v. 2. Atmosphere-Cable television -- v. 3. Cable travel-Cotton -- v. 4. Crane-Electricity -- v. 5. Electric motor-Friction -- v. 6. Fuel cell-Immune system -- v. 7. Induction-Magnetism -- v. 8. Mapmaking-Mining and quarrying -- v. 9. Missile and torpedo-Oil exploration and refining -- v. 10. Optics-Plant kingdom -- v. 11. Plasma physics-Radiotherapy -- v. 12. Railroad system-Seismology -- v. 13. Semiconductor-Sports -- v. 14. Spring-Thermography -- v. 15. Thermometer-Virus biological -- v. 16. Virus, computer-Zoology -- v. 17. Index.