2: Great Book - Only a how-to if you are VERY experienced!
I bought this book because I have tickets to see the traveling exhibit, "The Da Vinci Experience", in a couple months. It is a gorgeous book. Each machine covered has copies of the Da Vinci original plans, plus the editor's illustrations breaking the machine into it's components, with the placements of said componenets. Each machine has explanations of how components and the full machine work (or are supposed to work). Also, each machine has a history of Leonardo's drawings, purpose, client or personal notebooks, etc. It's a great book and looks gorgeous. I wouldn't think it would be a how-to for a school project unless the kid/parent had a lot of mechanical experience beforehand. All drawings show "real" components that you'd need a full shop to put together. There are no measurements, per se, just comparative sizes shown in the drawings. In the case of Leonardo's original drawings, it looks like this was deliberate. For example, the book's Introduction tells of Leonardo's problems with Giorgio Tedesco, an assistant of a prominant Medici. He wanted Leonardo to build him wooden models of several inventions. Leonardo successfully argued that he could only give Tedesco the scaled drawings. Historians surmise that Leonardo suspected that Tedesco would take the models back to his country, and take them apart to make full-sized machines out of iron without Leonardo's help. Job security was no laughing matter in the 1500's! Love the book. Can't wait to see the working full-sized (except for the half-size helicopter)models made from the drawings in the exhibition.
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