Introduction
1. Art and Science
2. Invention and design distinguished
3. The six requirements of design
4. The geometry of a device
5. Techniques
6. Invention
7. We can wish for impossibilities
8. The requirements conflict
9. Useless work
10. Architecture
11. 'Function' and fiction
12. The designer's responsibility
13. The aesthetics of design
14. Perception and looking
15. Taste and style
16. Originality
17. The common ground between visual art and music
Index