Number:
1721
Author:
Issue:
ET Vol 18, May 1865
Tags:
Non-Conic Curves & Locus/Envelopes
Solved by:
W.S. Burnside, MQ Vol 4
Solved by:
J. Dale, MQ Vol 4
Solved by:
G.O. Hanlon, MQ Vol 4
Solved by:
T.A. Hirst, MQ Vol 4