Number:
1859
Author:
Issue:
ET Vol 18, Dec 1865
Tags:
Non-Conic Curves & Locus/Envelopes
Solved by:
J. Dale, MQ Vol 5
Solved by:
E. McCormick, MQ Vol 5
Solved by:
S. Roberts, MQ Vol 5
Solved by:
Archer Stanley, MQ Vol 5