2 of 2 people found the following review helpful
Curiouser and curiouser,
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This review is from: How Round Is Your Circle?: Where Engineering and Mathematics Meet (Hardcover)
This book does what it claims and bridges the boundry between Mathematics and Enginering. It has some insights into how various linkages work, why rollers don't need to be round, how to make a ruler, how to draw a straight line and of course how round is your circle. The book looks at historical attempts to solve these problems and the various inventions that were produced along the way. Slide rules are explained in depth and if you've an old set of calipers with a vernier it explains how to use them.
For those who are more practical, many of the mechanisms can be made and there are photos in the centre section of the book
I bought this book specifically to learn more about the Peaucellier's linkage but found the other chapters facinating too.