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Number:
2766
Author:
S. Watson
Issue:
ET Vol 21, Nov 1868
Tags:
Non-Conic Curves & Locus/Envelopes
Solved by:
W.H. Laverty, MQ Vol 11
Solved by:
G.A. Ogilvie, MQ Vol 11
Solved by:
F.D. Thomson, MQ Vol 11