Number:
16123
Author:
Issue:
ET Vol 59, Dec 1906
Tags:
Conic Sections (parabolas, ellipses, hyperbolas)
Solved by:
W.F. Beard, MQ Vol 88
Solved by:
J. Blaikie, MQ Vol 88
Solved by:
E.J. Nanson, MQ Vol 88
Solved by:
A.M. Nesbitt, MQ Vol 88