1. from A to Z and their Inventions Inventors

2. A n Messrs. Appleby, Ltd. n Archimedes n Kunitaka Aimura n William Armstrong

3. Tower Crane

4. Construction Auger

5. Hydroelectric Turbine Smart Card

6. B n John Bardeeen, Walter Brattain, William Shockley n James Barron n Robert Barron n Alexander Graham Bell n Karl Benz n Hubert Booth n E. Bourdon n Joeseph Bramah n R. W. Brownhills n Edwin Budding

7. Amplifier

8. Lever Lock Window Shade

9. Telephone MicrophoneLoudspeaker

10. CarSuspension Car Cooling System

11. Bourdon Guage Vacuum Cleaner

12. Hydraulic Lift Cylinder Lock

13. Lawn Mower Coin Tester

14. C n Chester Carlson n Willis Carrier n George Cayley n Chinese n Georges Claude n Christopher Cockerell n W. Cockran n Professor LeCour n Jacques Cousteau n Bartolomeo Cristofori n Ctesibius

15. Air Conditioner Photocopier

16. Airliner Wing

17. Starting Gun Differential Kite

18. Flourescent Lamp

19. Hovercraft

20. Wind Turbine Dishwasher

21. SCUBA

22. Piston Pump Grand Piano