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Number:
1670
Author:
Patrick O’Cavanaugh
Issue:
ET Vol 17, Mar 1865
Tags:
Non-Conic Curves & Locus/Envelopes
Solved by:
J. Dale, MQ Vol 3
Solved by:
H. Murphy, MQ Vol 3
Solved by:
Archer Stanley, MQ Vol 3
Solved by:
F.D. Thomson, MQ Vol 3