Propositions Containing Some Properties of Tangents to Circles; And of Trapeziums Inscribed in Circles, and Non-Inscribed. Together With Propositions on the Elliptic Representations of Circles, Upon a Plane Surface, by Perspective.

Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London

doi 10.1098/rspl.1800.0305