Source The Books
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Comprehensive and InsightfulReview Date: 1998-07-14

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A charming early Descartes manuscriptReview Date: 2006-03-24
The first part of the manuscript gives a few equations relating basic properties of polyhedra (number of vertices, faces, and plane angles, and the sum of all the plane angles). There is one application: since any polyhedron must obey these equations, one can deduce the nonexistence of impossible polyhedra. Thus Descartes proves that there are only five regular polyhedra. We also look briefly at Euler's work on polyhedra (from 1750 when Descartes's text was unknown and unpublished). Euler recognised that the three basic polyhedral data was the number of vertices, edges and faces. Since Descartes neglected to count edges he missed out on Euler's formula v-e+f=2.
The second part of the manuscript deals with polyhedral figurate numbers. The Greeks studied plane polygonal numbers, but even though the regular polyhedra were their pet objects they did not study polyhedral numbers. As the polygonal numbers, the polyhedral numbers may be regarded as built up layer by layer. In this way Descartes calculates formulas for the figurate numbers in the cases of the regular polyhedra and many semi-regular polyhedra.

Rev Alexander Miller of Shenandoah Valley of VAReview Date: 2008-02-18

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Design Concepts for Engineers (3rd Edition) (Esource--The Prentice Hall Engineering Source)Review Date: 2006-03-10


Wonderful home items and inspiring ideasReview Date: 2001-02-06
There are a bunch of other very useful patterns, too. The throw featured on the cover of the book (called "Tribal") is gorgeous as designed, but this is also a great pattern to adapt with your own mixes of novelty yarns. The great thing about pillows and throws is that the gauge and size need not follow the pattern; it should just look pleasing and you can then knit it to any size you want.
Many knitters like to collect interesting yarns of various textures, with eyelashs and shimmering strands. You can use this same pattern adapted to mix in some of these yarns you collect in your "stash" and create an original design. In fact, the matching pillow is a good place to practice with some of your stash yarns to see how they'd look.
So for "stash-busting" (using up stores of yarn in your closet) or for creating some elegant designs following the patterns, this book has a lot to offer.

Air Marshall Sir Arthur T. Harris and the Bombing of GermanyReview Date: 2000-05-05

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A great collectionReview Date: 2005-09-28

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Objective and ComprehensiveReview Date: 2008-04-04

AmazingReview Date: 2006-04-06

SUCH A GREAT BOOK, SO SAD IT IS OUT OF PRINTReview Date: 2000-02-21
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