Symmetric Bends: How To Join Two Lengths Of Cord
Miles, Roger E![Symmetric Bends: How To Join Two Lengths Of Cord](https://support.digitalhusky.com/media/annotations/sorted/153/1532004/CHSBZCOP031532004.jpg)
This book presents a mathematical theory of symmetric bends, together with a simple explanation of how such bends may be invented. Also discussed are the additionally symmetric "triply symmetric" bends. Full details, including colour pictures, are given of the "best 60" known symmetric bends.