Excerpt from Mathematical Papers In the same way it may be seen, that if a straight line A joins the poles of B with respect to two conics, B will join the poles of A, and the two lines may be called polar opposites of one another. The point AB is subtended by the two conics and the six intersections of common tangents in an involution of ten rays, of which A and B are the double or sibi-conjugate rays. And through any point we can draw a pair of polar opposite lines, which are in fact the double lines of the involution ...
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Excerpt from Mathematical Papers In the same way it may be seen, that if a straight line A joins the poles of B with respect to two conics, B will join the poles of A, and the two lines may be called polar opposites of one another. The point AB is subtended by the two conics and the six intersections of common tangents in an involution of ten rays, of which A and B are the double or sibi-conjugate rays. And through any point we can draw a pair of polar opposite lines, which are in fact the double lines of the involution determined by the four tangents drawn from the given point to the conics. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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