The Sensuous Gadgeteer: How to Use Tools and How Tools Work

The Sensuous Gadgeteer, published in 1973, was unique then and now because it taught not only how to use tools but also how tools work and why they work.

023-038-01-Sharpening-knives
A series of diagrams demonstrating how a knife can lose a wedge shape in the process of dulling and sharpening its edge.
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