This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

Today's students will find this volume of particular interest in its answers to such questions as: Under what circumstances is a geometric construction possible? By what means can a geometric construction be effected?

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.